Home/CVE/Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize(
CVE

CVE-2020-15148

Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize(

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.

HIGH · CVSS 8.9 EPSS 0.93433
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

1
yiiframework yii< 2.0.38
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist yiisoft/yii2 HIGH fixed in 2.0.38
⚠

Public Exploits & PoCs

1
nucleiYii 2 < 2.0.38 - Remote Code Executioncritical
▣

Scoring & Timeline

8.9
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Sep 2020 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99PatchThird Party Advisory
https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mjMitigationThird Party Advisory
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