VDB
CVE-2021-20231
CVE-2021-20231
PUBLISHED
CVSS 9.800000190734863 CRITICAL
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.
EPSS 3.75% · 89.5th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
3.75%
89.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | gnutls28 | 0, 3.6.9-5ubuntu1, 3.6.9-5ubuntu2 |
Timeline
- Mar 12, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Apr 27, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-20231 third-party-advisory
- https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10 third-party-advisory
- https://ubuntu.com/security/notices/USN-5029-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-20231 third-party-advisory