Is CVE-2025-2291 in the CISA KEV catalog?

No. CVE-2025-2291 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-2291?

CVE-2025-2291 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2025-2291?

CVE-2025-2291 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-2291?

Upgrade pgbouncer on debian 11 to 1.15.0-1+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2025-2291

HIGH

8.1

CVSS v3

NVD

Description

Password can be used past expiry in PgBouncer due to auth_query not taking into account Postgres its VALID UNTIL value, which allows an attacker to log in with an already expired password

CWE-324

How to fix

Remediation Available

pgbouncerDebian

Fixed in:1.15.0-1+deb11u1CVE-2025-2291

Fixed in:1.18.0-1+deb12u1CVE-2025-2291

Fixed in:1.24.1-1CVE-2025-2291

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Third-Party Advisory1

lists.debian.org

Release Notes1

pgbouncer.org

Related Vulnerabilities

Other CWE-324 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-35401	High	8.1	21%	-	-
CVE-2024-36031	Critical	9.8	0.7%	-	Fix
CVE-2019-3790	Medium	6.1	0.7%	-	Fix
CVE-2022-2447	Medium	6.6	0.6%	-	Fix
CVE-2021-33020	High	8.2	0.6%	-	Fix
CVE-2022-24732	Medium	6.3	0.4%	-	Fix

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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 2025-12-08.