Vulnerability in Openssl

CVE-2021-4160

There is a carry propagation bug in the MIPS32 and MIPS64 squaring procedure. Many EC algorithms are affected, including some of the TLS 1.3 default curves. Impact was not analyzed in detail, because the pre-requisites for attack are consi…

EPSS: 0.038 (88.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-4160?
CVE-2021-4160 is a medium-severity vulnerability in Openssl. CVSS score: 5.9/10. Published 2022-01-28.
How severe is CVE-2021-4160?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2021-4160 known to be exploited?
10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.