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CVE-2021-24040

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Date: September 10, 2021

Due to use of unsafe YAML deserialization logic, an attacker with the ability to modify local YAML configuration files could provide malicious input, resulting in remote code execution or similar risks. This issue affects ParlAI prior to v1.1.0.

Language: Python

Severity Score

Related Resources (10)

https://github.com/facebookresearch/ParlAI/pull/3429
https://github.com/facebookresearch/ParlAI/commit/4374fa2aba383db6526ab36e939eb1cf8ef99879
https://github.com/facebookresearch/ParlAI/releases/tag/v1.1.0
https://github.com/facebookresearch/ParlAI/security/advisories/GHSA-m87f-9fvv-2mgg
http://packetstormsecurity.com/files/164136/Facebook-ParlAI-1.0.0-Code-Execution-Deserialization.html
https://github.com/facebookresearch/ParlAI/pull/3402
https://nvd.nist.gov/vuln/detail/CVE-2021-24040
https://github.com/facebookresearch/ParlAI
https://github.com/advisories/GHSA-mwgj-7x7j-6966
https://www.mend.io/vulnerability-database/CVE-2021-24040

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Top Fix

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CVSS v3.1

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

CVSS v2

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

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