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CVE-2020-1921

CVE-2020-1921

EPSS 1.2%CWE-121
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS EPSS 1.2%KEV nãoPoC Nuclei Metasploit Patch
Lifecycle
10 Mar 2021Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
Affected products
Facebook · HHVM

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