{"items":[{"id":"NVI-00006117","kind":"vulnerability","title":"Use of a Broken or Risky Cryptographic Algorithm","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-x7g2-wrrp-r6h3","CVE-2021-27913"],"plain_summary":"OSV carries this publisher advisory for mautic/core, mautic/core. 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 3.3.4 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a85418721a21428d0721e7d9c303a4d1"],"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 4.0.0 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a85418721a21428d0721e7d9c303a4d1"],"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-12c1120cf7d38a435a33a8df4abb1b4c"],"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":"2026-06-17T03:45:36.370Z","value":"3.5 LOW (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-3767b73ee808f0e7c3f1babc422380e3"},{"kind":"CVSS","as_of":"2026-06-17T03:45:36.370Z","value":"3.5 LOW (3.1)","meaning":"security@mautic.org severity; no combined Null risk score.","source_id":"sr-3767b73ee808f0e7c3f1babc422380e3"},{"kind":"CVSS","as_of":"2026-06-17T03:45:36.370Z","value":"3.5 LOW (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-3767b73ee808f0e7c3f1babc422380e3"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.458%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39754. Missing scores are unknown.","source_id":"sr-12c1120cf7d38a435a33a8df4abb1b4c"}],"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-a85418721a21428d0721e7d9c303a4d1","url":"https://github.com/advisories/GHSA-x7g2-wrrp-r6h3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-x7g2-wrrp-r6h3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.441Z"},{"id":"sr-3767b73ee808f0e7c3f1babc422380e3","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27913","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2021-27913","publisher":"NIST National Vulnerability Database","observed_at":"2026-10-31T23:13:08.840Z"},{"id":"sr-12c1120cf7d38a435a33a8df4abb1b4c","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-2021-27913","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a85418721a21428d0721e7d9c303a4d1"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## ✍️ Description\nThe function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control\n\n## 🕵️‍♂️ Proof of Concept\nNumerous examples and attack implementations can be found in this paper . If you're looking for a practical tool that can crack your mt_rand implementation's seed value, see this project and run the following commands in a console with php5 and OpenWall's tool installed:\n\n`root$ php -r 'mt_srand(13333337); echo mt_rand( ), \"\\n\";'`\nAfter that, copy the output (1863134308) and execute the following commands:\n\n`root$ gcc php_mt_seed.c -o php_mt_seedroot$ ./php_mt_seed 1863134308`\nAfter waiting ~1 minute you should have a few possible seeds corresponding to their PHP versions, next to your installed PHP version you should see something akin to:\n\nseed = 0x00cb7359 = 13333337 (PHP 7.1.0+)\nHey, that's your seed!\n\n## 💥 Impact\nAn attacker could takeover accounts at random by enumerating and using access tokens.\n\n## 📝 References\n\n- https://","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.3.4"]},{"certainty":"source_listed","source_ids":["sr-a85418721a21428d0721e7d9c303a4d1"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## ✍️ Description\nThe function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control\n\n## 🕵️‍♂️ Proof of Concept\nNumerous examples and attack implementations can be found in this paper . If you're looking for a practical tool that can crack your mt_rand implementation's seed value, see this project and run the following commands in a console with php5 and OpenWall's tool installed:\n\n`root$ php -r 'mt_srand(13333337); echo mt_rand( ), \"\\n\";'`\nAfter that, copy the output (1863134308) and execute the following commands:\n\n`root$ gcc php_mt_seed.c -o php_mt_seedroot$ ./php_mt_seed 1863134308`\nAfter waiting ~1 minute you should have a few possible seeds corresponding to their PHP versions, next to your installed PHP version you should see something akin to:\n\nseed = 0x00cb7359 = 13333337 (PHP 7.1.0+)\nHey, that's your seed!\n\n## 💥 Impact\nAn attacker could takeover accounts at random by enumerating and using access tokens.\n\n## 📝 References\n\n- https://","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-alpha1; fixed 4.0.0"]}],"null_published_at":"2026-11-01T01:04:01.282Z","source_updated_at":"2026-07-08T06:27:22.904Z","source_disclosed_at":"2021-09-01T18:41:06.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:51.441Z"},{"id":"NVI-00006117","kind":"vulnerability","title":"Use of a Broken or Risky Cryptographic Algorithm","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-x7g2-wrrp-r6h3","CVE-2021-27913"],"plain_summary":"OSV carries this publisher advisory for mautic/core, mautic/core. 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 3.3.4 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a85418721a21428d0721e7d9c303a4d1"],"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 4.0.0 for mautic/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a85418721a21428d0721e7d9c303a4d1"],"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-12c1120cf7d38a435a33a8df4abb1b4c"],"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":"0.458%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39754. Missing scores are unknown.","source_id":"sr-12c1120cf7d38a435a33a8df4abb1b4c"}],"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-a85418721a21428d0721e7d9c303a4d1","url":"https://github.com/advisories/GHSA-x7g2-wrrp-r6h3","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-x7g2-wrrp-r6h3","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.441Z"},{"id":"sr-12c1120cf7d38a435a33a8df4abb1b4c","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-2021-27913","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a85418721a21428d0721e7d9c303a4d1"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## ✍️ Description\nThe function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control\n\n## 🕵️‍♂️ Proof of Concept\nNumerous examples and attack implementations can be found in this paper . If you're looking for a practical tool that can crack your mt_rand implementation's seed value, see this project and run the following commands in a console with php5 and OpenWall's tool installed:\n\n`root$ php -r 'mt_srand(13333337); echo mt_rand( ), \"\\n\";'`\nAfter that, copy the output (1863134308) and execute the following commands:\n\n`root$ gcc php_mt_seed.c -o php_mt_seedroot$ ./php_mt_seed 1863134308`\nAfter waiting ~1 minute you should have a few possible seeds corresponding to their PHP versions, next to your installed PHP version you should see something akin to:\n\nseed = 0x00cb7359 = 13333337 (PHP 7.1.0+)\nHey, that's your seed!\n\n## 💥 Impact\nAn attacker could takeover accounts at random by enumerating and using access tokens.\n\n## 📝 References\n\n- https://","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.3.4"]},{"certainty":"source_listed","source_ids":["sr-a85418721a21428d0721e7d9c303a4d1"],"technology":"mautic/core","known_exclusions":[],"conditions_summary":"## ✍️ Description\nThe function mt_rand is used to generate session tokens, this function is cryptographically flawed due to its nature being one pseudorandomness, an attacker can take advantage of the cryptographically insecure nature of this function to enumerate session tokens for accounts that are not under his/her control\n\n## 🕵️‍♂️ Proof of Concept\nNumerous examples and attack implementations can be found in this paper . If you're looking for a practical tool that can crack your mt_rand implementation's seed value, see this project and run the following commands in a console with php5 and OpenWall's tool installed:\n\n`root$ php -r 'mt_srand(13333337); echo mt_rand( ), \"\\n\";'`\nAfter that, copy the output (1863134308) and execute the following commands:\n\n`root$ gcc php_mt_seed.c -o php_mt_seedroot$ ./php_mt_seed 1863134308`\nAfter waiting ~1 minute you should have a few possible seeds corresponding to their PHP versions, next to your installed PHP version you should see something akin to:\n\nseed = 0x00cb7359 = 13333337 (PHP 7.1.0+)\nHey, that's your seed!\n\n## 💥 Impact\nAn attacker could takeover accounts at random by enumerating and using access tokens.\n\n## 📝 References\n\n- https://","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-alpha1; fixed 4.0.0"]}],"null_published_at":"2026-10-31T22:13:48.410Z","source_updated_at":"2026-07-08T06:27:22.904Z","source_disclosed_at":"2021-09-01T18:41:06.000Z","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":"2026-10-31T21:42:51.441Z"}],"next_cursor":null,"snapshot_revision":"42594"}