yii up to 1.1.26 unserialize deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic was found in yii up to 1.1.26. Affected by this vulnerability is the function unserialize. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

`yiisoft/yii` before version 1.1.27 are vulnerable to Remote Code Execution (RCE) if the application calls `unserialize()` on arbitrary user input. This has been patched in 1.1.27.

The weakness was presented 11/23/2022 as GHSA-442f-wcwq-fpcf. The advisory is shared at github.com. This vulnerability is known as CVE-2022-41922 since 09/30/2022. Technical details are known, but no exploit is available.

Upgrading to version 1.1.27 eliminates this vulnerability. Applying the patch ed67b7cc57216557c5c595c6650cdd2d3aa41c52 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.



CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (GitHub, Inc.): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Deserialization
CWE: CWE-502 / CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: yii 1.1.27
Patch: ed67b7cc57216557c5c595c6650cdd2d3aa41c52


09/30/2022 CVE reserved
11/23/2022 +54 days Advisory disclosed
11/23/2022 +0 days VulDB entry created
11/23/2022 +0 days VulDB last update


Advisory: GHSA-442f-wcwq-fpcf
Status: Confirmed

CVE: CVE-2022-41922 (🔒)


Created: 11/23/2022 08:45 PM
Changes: 11/23/2022 08:45 PM (51)
Complete: 🔍


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