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.
Published 2021-09-10 22:15:07
Updated 2021-09-24 03:06:15
View at NVD,   CVE.org
Vulnerability category: Execute code

Exploit prediction scoring system (EPSS) score for CVE-2021-24040

11.47%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-24040

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2021-24040

  • The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
    Assigned by:
    • cve-assign@fb.com (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2021-24040

Products affected by CVE-2021-24040

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