Is CVE-2021-38140 in the CISA KEV catalog?

No. CVE-2021-38140 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38140?

CVE-2021-38140 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-38140?

CVE-2021-38140 has an EPSS score of 1.29% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38140?

Upgrade set user to 2.0.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-38140

CRITICAL

9.8

CVSS v3

NVD

Description

The set_user extension module before 2.0.1 for PostgreSQL allows a potential privilege escalation using RESET SESSION AUTHORIZATION after set_user().

CWE-269Improper Privilege Management

How to fix

Remediation Available

set userNVD

Affected:< 2.0.1Fixed in:2.0.1CVE-2021-38140derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.29%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

Embed a live status badge for CVE-2021-38140

Markdown

[![CVE-2021-38140](https://tridentstack.com/cve/badge/CVE-2021-38140.svg)](https://tridentstack.com/cve/CVE-2021-38140)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-38140"><img src="https://tridentstack.com/cve/badge/CVE-2021-38140.svg" alt="CVE-2021-38140"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.