Vulnerability Details : CVE-2021-24029

A packet of death scenario is possible in mvfst via a specially crafted message during a QUIC session, which causes a crash via a failed assertion. Per QUIC specification, this particular message should be treated as a connection error. This issue affects mvfst versions prior to commit a67083ff4b8dcbb7ee2839da6338032030d712b0 and proxygen versions prior to v2021.03.15.00.
Published 2021-03-15 22:15:14
Updated 2021-03-23 16:34:56
Source Facebook, Inc.
View at NVD,   CVE.org

Products affected by CVE-2021-24029

Exploit prediction scoring system (EPSS) score for CVE-2021-24029

EPSS FAQ
0.47%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-24029

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 NIST

CWE ids for CVE-2021-24029

  • The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
    Assigned by:
    • cve-assign@fb.com (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2021-24029

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