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CVE-2021-23420

Date: August 11, 2021

This affects the package codeception/codeception from 4.0.0 and before 4.1.22, before 3.1.3. The RunProcess class can be leveraged as a gadget to run arbitrary commands on a system that is deserializing user input without validation.

Language: PHP

Severity Score

Related Resources (12)

https://github.com/Codeception/Codeception/commit/802a108057d250ee563120eaa5365a519afc0a71
https://github.com/Codeception/Codeception/blob/4.1/ext/RunProcess.php%23L52
https://github.com/JinYiTong/poc
https://nvd.nist.gov/vuln/detail/CVE-2021-23420
https://github.com/advisories/GHSA-4574-qv3w-fcmg
https://github.com/FriendsOfPHP/security-advisories/blob/master/codeception/codeception/CVE-2021-23420.yaml
https://github.com/Codeception/Codeception/commit/cbce9ea7f4664052fa1ac6b36f5b5a6dbd864d71
https://github.com/Codeception/Codeception/blob/4.1/CHANGELOG-4.x.md#4122
https://github.com/Codeception/Codeception/blob/4.1/ext/RunProcess.php#L52
https://github.com/Codeception/Codeception
https://github.com/Codeception/Codeception/pull/6241
https://www.mend.io/vulnerability-database/CVE-2021-23420

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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