{"id":"CVE-2020-15148","aliases":["GHSA-699q-wcff-g9mj"],"url":"https://o3.security/vulnerability/CVE-2020-15148","summary":"Unsafe deserialization in Yii 2","details":"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.","published":"2020-09-15T19:15:12.963Z","modified":"2026-08-07T15:11:47.330105Z","cvss":{"score":10,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"},"epss":{"score":0.78759,"percentile":0.99572,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":4,"affectedPackages":[{"ecosystem":"Packagist","name":"yiisoft/yii2","fixedVersion":"2.0.38"}],"fix":{"url":"https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99","label":"yiisoft/yii2@9abccb9"},"references":[{"type":"ADVISORY","url":"https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj"},{"type":"FIX","url":"https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:11:47.330105Z"}}