CVE-2025-2291

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

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.pgbouncer.org/changelog.html#pgbouncer-124x	Release Notes
https://lists.debian.org/debian-lts-announce/2025/05/msg00032.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

08 Dec 2025, 18:32

Type	Values Removed	Values Added
CPE		cpe:2.3:a:pgbouncer:pgbouncer:::::::: cpe:2.3:o:debian:debian_linux:11.0:::::::*
First Time		Debian debian Linux Pgbouncer Debian Pgbouncer pgbouncer
References	~~() https://www.pgbouncer.org/changelog.html#pgbouncer-124x -~~	() https://www.pgbouncer.org/changelog.html#pgbouncer-124x - Release Notes
References	~~() https://lists.debian.org/debian-lts-announce/2025/05/msg00032.html -~~	() https://lists.debian.org/debian-lts-announce/2025/05/msg00032.html - Mailing List, Third Party Advisory

03 Nov 2025, 20:18

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/05/msg00032.html -
Summary		(es) La contraseña se puede usar después de su vencimiento en PgBouncer debido a que auth_query no tiene en cuenta el valor VÁLIDO HASTA de Postgres, lo que permite que un atacante inicie sesión con una contraseña ya vencida.

16 Apr 2025, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-16 18:16

Updated : 2025-12-08 18:32

NVD link : CVE-2025-2291

Mitre link : CVE-2025-2291

CVE.ORG link : CVE-2025-2291

JSON object : View

Products Affected

debian

debian_linux

pgbouncer

pgbouncer

CWE

CWE-324

Use of a Key Past its Expiration Date

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