Critical severity · published Sep 15, 2020
CVE-2020-15148
Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input
10.0
CVSS
77.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)77.5% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YI
Yii · Yiiframework
before 2.0.38 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15148
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15148
Patch
https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99
Mitigation
https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj
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