CVE-2021-24031
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.4%
exploitation probability
0.4%top 64% of all CVEs
observed exploitation
nono source reports it
In the Zstandard command-line utility prior to v1.4.1, output files were created with default permissions. Correct file permissions (matching the input) would only be set at completion time. Output files could therefore be readable or writable to unintended parties.
Affected products
Facebook · Zstandard