CVE-2021-24029 vulnerability in Facebook Products
Published on March 15, 2021
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.
Weakness Type
What is an assertion failure Vulnerability?
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.
CVE-2021-24029 has been classified to as an assertion failure vulnerability or weakness.
Products Associated with CVE-2021-24029
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Affected Versions
Facebook mvfst:- Version a67083ff4b8dcbb7ee2839da6338032030d712b0 and below unspecified is unaffected.
- Version unspecified and below a67083ff4b8dcbb7ee2839da6338032030d712b0 is affected.
- Version v2021.03.15.00 and below unspecified is unaffected.
- Version unspecified and below v2021.03.15.00 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.