No exploitation reportedFix available

CVE-2021-23214

Q: Is CVE-2021-23214 actively exploited?

Active exploitation of CVE-2021-23214 has not been confirmed. Its EPSS score was 1.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2021-23214?

CVE-2021-23214 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-03-04
Fixed in13.5 · 12.9 · 11.14 · 10.19 · 9.6.24
WeaknessCWE-89

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption.

Timeline

dates in UTC

2022-03-0416:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-23214?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-23214?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

PostgreSQL

Branch	Affected	Fixed in	Source
13.x	≥ 13.0, < 13.5	13.5	NVD
12.x	≥ 12.0, < 12.9	12.9	NVD
11.x	≥ 11.0, < 11.14	11.14	NVD
10.x	≥ 10.0, < 10.19	10.19	NVD
9.6	< 9.6.24	9.6.24	NVD
14.0	= 14.0	no fix published	NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
34.x	= 34	no fix published	NVD
35.x	= 35	no fix published	NVD

Redhat enterprise linux

Branch	Affected	Fixed in	Source
8.0	= 8.0	no fix published	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update PostgreSQL to 13.5 · 12.9 · 11.14 · 10.19 · 9.6.24

Advisories and patches

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.1read 2026-10-23
NVDCVSS 2.05.1read 2026-10-23
CNAweakness (CWE)CWE-89read 2026-10-23
NVDweakness (CWE)CWE-89read 2026-10-23
FIRST EPSSEPSS score1.9 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-03-04
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-23214?

Is CVE-2021-23214 actively exploited?

Active exploitation of CVE-2021-23214 has not been confirmed. Its EPSS score was 1.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-23214?

CVE-2021-23214 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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