{"items":[{"id":"NVI-00000859","kind":"vulnerability","title":"Argument Injection in PHP-CGI","revision":6,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","CISA catalog date-added and due-date fields are not the original vulnerability disclosure date or universal legal deadlines.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["CVE-2024-4577"],"plain_summary":"Some Windows PHP-CGI deployments can interpret specially encoded request data as PHP options. The publisher reports possible code execution or source disclosure. The deployed PHP release, CGI invocation and Windows codepage all matter.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The CNA lists historical first-fixed boundaries 8.1.29, 8.2.20, 8.3.8. Select a currently supported vendor release and verify the affected configuration.","source_ids":["sr-5f786e18a95cefc9f4a8adfa6f66eae0"],"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":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","source_ids":["sr-7e7749490d485f6074a6090db3957030"],"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},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-087f77bb5b5693e46e3a1620c728fac2"],"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":"2024-06-21T19:08:41.387Z","value":"9.8 CRITICAL (3.1)","meaning":"php severity and vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; not a measure of customer compromise.","source_id":"sr-5f786e18a95cefc9f4a8adfa6f66eae0"},{"kind":"CISA_KEV","as_of":"2024-06-12T00:00:00.000Z","value":"Listed","meaning":"CISA lists known exploitation. This does not establish exploitation of your system.","source_id":"sr-7e7749490d485f6074a6090db3957030"},{"kind":"CVSS","as_of":"2026-06-17T08:02:11.493Z","value":"9.8 CRITICAL (3.1)","meaning":"security@php.net severity; no combined Null risk score.","source_id":"sr-ce202259696782459a67c7b8be4de8b1"},{"kind":"CVSS","as_of":"2026-06-17T08:02:11.493Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-ce202259696782459a67c7b8be4de8b1"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"99.987%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.99984. Missing scores are unknown.","source_id":"sr-087f77bb5b5693e46e3a1620c728fac2"}],"why_it_matters":"A request-parsing boundary can affect how PHP is invoked. Check the published affected releases and configuration prerequisites, then use current vendor guidance and verify the deployed change. The presence of a vulnerable version is not evidence that exploitation occurred.","related_sources":[{"id":"sr-5f786e18a95cefc9f4a8adfa6f66eae0","url":"https://www.cve.org/CVERecord?id=CVE-2024-4577","basis":"cna_record","notes":"CVE content: copyright The MITRE Corporation; CVE Terms of Use and license apply. CNA and ADP publishers retain separate attribution.","title":"CVE-2024-4577","publisher":"CVE Program / attributed CNA and ADP","observed_at":"2026-10-31T21:05:30.727Z"},{"id":"sr-7e7749490d485f6074a6090db3957030","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","basis":"official_catalog","notes":"CISA KEV; CC0 1.0. Catalog assertions are not evidence of customer compromise.","title":"CVE-2024-4577","publisher":"CISA","observed_at":"2026-10-31T20:54:12.600Z"},{"id":"sr-ce202259696782459a67c7b8be4de8b1","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4577","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2024-4577","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T20:54:11.061Z"},{"id":"sr-087f77bb5b5693e46e3a1620c728fac2","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-2024-4577","publisher":"FIRST EPSS","observed_at":"2026-10-31T21:41:13.231Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5f786e18a95cefc9f4a8adfa6f66eae0"],"technology":"PHP","known_exclusions":[],"conditions_summary":"The CNA describes Apache invoking PHP-CGI on Windows with certain codepages and Best-Fit character conversion. Confirm all these conditions on the deployed service. This report cannot infer the operating system, web-server invocation or codepage from a package version alone.","public_affected_ranges":["8.1.* to <8.1.29","8.2.* to <8.2.20","8.3.* to <8.3.8"]},{"certainty":"source_listed","source_ids":["sr-7e7749490d485f6074a6090db3957030"],"technology":"PHP Group PHP","known_exclusions":[],"conditions_summary":"CISA does not supply a complete application-specific affected range here. Follow the linked vendor advisory for version and configuration prerequisites.","public_affected_ranges":[]}],"null_published_at":"2026-10-31T21:53:28.035Z","source_updated_at":"2025-10-21T23:05:16.089Z","source_disclosed_at":"2024-06-09T19:42:36.464Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:05:30.727Z"},{"id":"NVI-00000859","kind":"vulnerability","title":"Argument Injection in PHP-CGI","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","CISA catalog date-added and due-date fields are not the original vulnerability disclosure date or universal legal deadlines.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["CVE-2024-4577"],"plain_summary":"In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, when using Apache and PHP-CGI on Windows, if the system is set up to use certain code pages, Windows may use \"Best-Fit\" behavior to replace characters in command line given to Win32 API functions. PHP CGI module may misinterpret those characters as PHP options, which may allow a malicious user to pass options to PHP binary being run, and thus reveal the source code of scripts, run arbitrary PHP code on the server, etc.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The CNA lists historical first-fixed boundaries 8.1.29, 8.2.20, 8.3.8. Select a currently supported vendor release and verify the affected configuration.","source_ids":["sr-5f786e18a95cefc9f4a8adfa6f66eae0"],"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":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","source_ids":["sr-7e7749490d485f6074a6090db3957030"],"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},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-ce202259696782459a67c7b8be4de8b1"],"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":"2024-06-21T19:08:41.387Z","value":"9.8 CRITICAL (3.1)","meaning":"php severity and vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; not a measure of customer compromise.","source_id":"sr-5f786e18a95cefc9f4a8adfa6f66eae0"},{"kind":"CISA_KEV","as_of":"2024-06-12T00:00:00.000Z","value":"Listed","meaning":"CISA lists known exploitation. This does not establish exploitation of your system.","source_id":"sr-7e7749490d485f6074a6090db3957030"},{"kind":"CVSS","as_of":"2026-06-17T08:02:11.493Z","value":"9.8 CRITICAL (3.1)","meaning":"security@php.net severity; no combined Null risk score.","source_id":"sr-ce202259696782459a67c7b8be4de8b1"},{"kind":"CVSS","as_of":"2026-06-17T08:02:11.493Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-ce202259696782459a67c7b8be4de8b1"}],"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-5f786e18a95cefc9f4a8adfa6f66eae0","url":"https://www.cve.org/CVERecord?id=CVE-2024-4577","basis":"cna_record","notes":"CVE content: copyright The MITRE Corporation; CVE Terms of Use and license apply. CNA and ADP publishers retain separate attribution.","title":"CVE-2024-4577","publisher":"CVE Program / attributed CNA and ADP","observed_at":"2026-10-31T21:05:30.727Z"},{"id":"sr-7e7749490d485f6074a6090db3957030","url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","basis":"official_catalog","notes":"CISA KEV; CC0 1.0. Catalog assertions are not evidence of customer compromise.","title":"CVE-2024-4577","publisher":"CISA","observed_at":"2026-10-31T20:54:12.600Z"},{"id":"sr-ce202259696782459a67c7b8be4de8b1","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4577","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2024-4577","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T20:54:11.061Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5f786e18a95cefc9f4a8adfa6f66eae0"],"technology":"PHP","known_exclusions":[],"conditions_summary":"In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, when using Apache and PHP-CGI on Windows, if the system is set up to use certain code pages, Windows may use \"Best-Fit\" behavior to replace characters in command line given to Win32 API functions. PHP CGI module may misinterpret those characters as PHP options, which may allow a malicious user to pass options to PHP binary being run, and thus reveal the source code of scripts, run arbitrary PHP code on the server, etc.","public_affected_ranges":["8.1.* to <8.1.29","8.2.* to <8.2.20","8.3.* to <8.3.8"]},{"certainty":"source_listed","source_ids":["sr-7e7749490d485f6074a6090db3957030"],"technology":"PHP Group PHP","known_exclusions":[],"conditions_summary":"CISA does not supply a complete application-specific affected range here. Follow the linked vendor advisory for version and configuration prerequisites.","public_affected_ranges":[]}],"null_published_at":"2026-10-31T21:40:46.531Z","source_updated_at":"2025-10-21T23:05:16.089Z","source_disclosed_at":"2024-06-09T19:42:36.464Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:05:30.727Z"}],"next_cursor":null,"snapshot_revision":"39771"}