{"items":[{"id":"NVI-00008331","kind":"vulnerability","title":"Symfony Allows URI Restrictions Bypass Via Double-Encoded String","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-83c3-qx27-2rwr","CVE-2012-6431"],"plain_summary":"OSV carries this publisher advisory for symfony/http-foundation, symfony/routing, symfony/security, symfony/symfony. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/http-foundation. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/routing. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/security. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-159c411190e5d61f3baad34d12f3f1ec"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-16T23:48:05.447Z","value":"6.4 MEDIUM (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-376c5100c5b437a2ff2a9d28b19bb852"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"1.876%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.79414. Missing scores are unknown.","source_id":"sr-159c411190e5d61f3baad34d12f3f1ec"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ff6ead0e829ac5a3021afea88f434fb6","url":"https://github.com/advisories/GHSA-83c3-qx27-2rwr","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-83c3-qx27-2rwr","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.956Z"},{"id":"sr-376c5100c5b437a2ff2a9d28b19bb852","url":"https://nvd.nist.gov/vuln/detail/CVE-2012-6431","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2012-6431","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T14:29:20.935Z"},{"id":"sr-159c411190e5d61f3baad34d12f3f1ec","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2012-6431","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/http-foundation","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/routing","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/security","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]}],"null_published_at":"2026-11-02T10:00:44.525Z","source_updated_at":"2024-12-03T06:08:10.253Z","source_disclosed_at":"2022-05-17T05:17:03.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.956Z"},{"id":"NVI-00008331","kind":"vulnerability","title":"Symfony Allows URI Restrictions Bypass Via Double-Encoded String","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-83c3-qx27-2rwr","CVE-2012-6431"],"plain_summary":"OSV carries this publisher advisory for symfony/http-foundation, symfony/routing, symfony/security, symfony/symfony. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/http-foundation. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/routing. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/security. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-159c411190e5d61f3baad34d12f3f1ec"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"1.876%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.79414. Missing scores are unknown.","source_id":"sr-159c411190e5d61f3baad34d12f3f1ec"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ff6ead0e829ac5a3021afea88f434fb6","url":"https://github.com/advisories/GHSA-83c3-qx27-2rwr","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-83c3-qx27-2rwr","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.956Z"},{"id":"sr-159c411190e5d61f3baad34d12f3f1ec","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2012-6431","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/http-foundation","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/routing","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/security","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. 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This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/http-foundation. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/routing. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/security. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.0.19 for symfony/symfony. Confirm the publisher’s latest guidance.","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ff6ead0e829ac5a3021afea88f434fb6","url":"https://github.com/advisories/GHSA-83c3-qx27-2rwr","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-83c3-qx27-2rwr","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.956Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/http-foundation","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/routing","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/security","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]},{"certainty":"source_listed","source_ids":["sr-ff6ead0e829ac5a3021afea88f434fb6"],"technology":"symfony/symfony","known_exclusions":[],"conditions_summary":"On the Symfony 2.0.x version, there's a security issue that allows access to routes protected by a firewall even when the user is not logged in.\n\nBoth the Routing component and the Security component uses the path returned by `getPathInfo()` to match a Request. The `getPathInfo()` returns a decoded path, but the Routing component (`Symfony\\Component\\Routing\\Matcher\\UrlMatcher`) decodes the path a second time; whereas the Security component, `Symfony\\Component\\HttpFoundation\\RequestMatcher`, does not.\n\nThis difference causes Symfony 2.0 to be vulnerable to double encoding attacks.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.0.19"]}],"null_published_at":"2026-10-31T22:13:22.840Z","source_updated_at":"2024-12-03T06:08:10.253Z","source_disclosed_at":"2022-05-17T05:17:03.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:41:59.956Z"}],"next_cursor":null,"snapshot_revision":"42594"}