CVE-2021-20231
moderate-risk
Published 2021-03-12
A flaw was found in gnutls. A use after free issue in client sending key_share extension may lead to memory corruption and other consequences.
Do I need to act?
~
1.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (5)
Affected Vendors
References (24)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1922276
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210416-0005/
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1922276
and 4 more references
48
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
4/34 · Minimal
Exposure
12/34 · Low