Remote Code Execution Vulnerability in Facebook's ParlAI Product
CVE-2021-24040

9.8CRITICAL

Key Information:

Vendor

Facebook

Status
Parlai
Vendor
CVE Published:
10 September 2021

What is CVE-2021-24040?

The vulnerability arises from insecure YAML deserialization logic within the ParlAI framework. An attacker able to modify local YAML configuration files can inject malicious code, which may lead to unauthorized remote code execution. This issue primarily affects ParlAI versions before v1.1.0, posing significant security implications for users relying on the framework.

Affected Version(s)

ParlAI < 1.1.0

ParlAI 1.1.0

References

https://github.com/facebookresearch/ParlAI/releases/tag/v...
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https://github.com/facebookresearch/ParlAI/security/advis...
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http://packetstormsecurity.com/files/164136/Facebook-Parl...
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EPSS Score

31% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.