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CVE-2021-20232
A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and…
Critical9.8EPSS 3.4%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
gnutls
- affected gnutls 3.7.1
References (13)
- https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1922275 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2021-18bef34f05 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [spark-issues] 20210413 [jira] [Created] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://security.netapp.com/advisory/ntap-20210416-0005/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- [spark-issues] 20210417 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [spark-issues] 20210423 [jira] [Resolved] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [spark-issues] 20210425 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [spark-issues] 20210426 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [spark-issues] 20210426 [jira] [Updated] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [spark-issues] 20210429 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [spark-issues] 20210430 [jira] [Commented] (SPARK-35054) Getting Critical Vulnerability CVE-2021-20231 on spark 3.0.0 branch (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-20232)Record last updated .