{"id":"CVE-2020-15148","aliases":["EUVD-2020-0813","GHSA-699q-wcff-g9mj"],"status":"published","title":"Unsafe deserialization in Yii 2","description":"Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38. A possible workaround without upgrading is available in the linked advisory.","severity":{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.77538,"percentile":0.99565,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-502"],"published":"2020-09-15T18:19:56Z","modified":"2026-10-20T10:52:47Z","exploits":[{"source":"pocgithub","id":"Maskhe/CVE-2020-15148-bypasses","title":"Maskhe/CVE-2020-15148-bypasses","date":"2020-09-21","url":"https://github.com/Maskhe/CVE-2020-15148-bypasses"},{"source":"pocgithub","id":"0xkami/cve-2020-15148","title":"0xkami/cve-2020-15148","date":"2020-10-27","url":"https://github.com/0xkami/cve-2020-15148"},{"source":"nuclei","id":"CVE-2020-15148","title":"Yii 2 \u003c 2.0.38 - Remote Code Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-15148.yaml"}],"fixes":[{"ecosystem":"Packagist","package":"yiisoft/yii2","fixed_in":["2.0.38"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"yiisoft/yii2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.38"}]}]},{"source":"osv","ecosystem":"Packagist","package":"yiisoft/yii2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.38"}]}],"versions":["2.0.0","2.0.0-alpha","2.0.0-beta","2.0.0-rc","2.0.1","2.0.10","2.0.11","2.0.11.1","2.0.11.2","2.0.12","2.0.12.1","2.0.12.2","2.0.13","2.0.13.1","2.0.13.2","2.0.13.3","2.0.14","2.0.14.1","2.0.14.2","2.0.15","2.0.15.1","2.0.16","2.0.16.1","2.0.17","2.0.18","2.0.19","2.0.2","2.0.20","2.0.21","2.0.22","2.0.23","2.0.24","2.0.25","2.0.26","2.0.27","2.0.28","2.0.29","2.0.3","2.0.30","2.0.31","2.0.32","2.0.33","2.0.34","2.0.35","2.0.36","2.0.37","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9"]}],"products":[{"vendor":"yiiframework","product":"yii"},{"vendor":"yiisoft","product":"yii2"}],"references":[{"url":"https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Third Party Advisory","advisory","web"]},{"url":"https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15148","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yaml","tags":["web"]},{"url":"https://www.yiiframework.com/news/303/yii-2-0-38","tags":["web"]},{"url":"https://github.com/advisories/GHSA-699q-wcff-g9mj"}],"sources":{"cve":[{"id":"CVE-2020-15148","title":"Unsafe deserialization in Yii 2","description":"Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38. A possible workaround without upgrading is available in the linked advisory.","status":"published","published":"2020-09-15T18:25:12Z","modified":"2024-08-04T13:08:21.907Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:35:49.879248Z"}],"euvd":[{"id":"EUVD-2020-0813","description":"Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38. A possible workaround without upgrading is available in the linked advisory.","status":"published","published":"2020-09-15T18:25:12Z","modified":"2024-08-04T13:08:21Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:07:33.100327Z"}],"ghsa":[{"id":"GHSA-699q-wcff-g9mj","title":"Unsafe deserialization in Yii 2","description":"### Impact\n\nRemote code execution in case application calls `unserialize()` on user input containing specially crafted string.\n\n### Patches\n\n2.0.38\n\n### Workarounds\n\nAdd the following to BatchQueryResult.php:\n\n```php\npublic function __sleep()\n{\n    throw new \\BadMethodCallException('Cannot serialize '.__CLASS__);\n}\n\npublic function __wakeup()\n{\n    throw new \\BadMethodCallException('Cannot unserialize '.__CLASS__);\n}\n```\n\n### For more information\n\nIf you have any questions or comments about this advisory, [contact us through security form](https://www.yiiframework.com/security).","status":"published","published":"2020-09-15T18:19:56Z","modified":"2024-02-07T18:52:16Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:37:36.777238Z"}],"nvd":[{"id":"CVE-2020-15148","description":"Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38. A possible workaround without upgrading is available in the linked advisory.","status":"published","published":"2020-09-15T19:15:12.963Z","modified":"2026-06-17T02:56:08.787Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:14.981587Z"}],"osv":[{"id":"CVE-2020-15148","description":"Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38. A possible workaround without upgrading is available in the linked advisory.","status":"published","published":"2020-09-15T19:15:12.963Z","modified":"2026-10-20T10:52:47.544399008Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-699q-wcff-g9mj","title":"Unsafe deserialization in Yii 2","description":"### Impact\n\nRemote code execution in case application calls `unserialize()` on user input containing specially crafted string.\n\n### Patches\n\n2.0.38\n\n### Workarounds\n\nAdd the following to BatchQueryResult.php:\n\n```php\npublic function __sleep()\n{\n    throw new \\BadMethodCallException('Cannot serialize '.__CLASS__);\n}\n\npublic function __wakeup()\n{\n    throw new \\BadMethodCallException('Cannot unserialize '.__CLASS__);\n}\n```\n\n### For more information\n\nIf you have any questions or comments about this advisory, [contact us through security form](https://www.yiiframework.com/security).","status":"published","published":"2020-09-15T18:19:56Z","modified":"2026-07-08T05:59:36.2068281Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:39.618611Z"}]}}