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CVE-2025-2291

Pgbouncer vulnerability

8.1 HIGHEPSS 0.36%
  1. Published16 Apr 2025

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Pgbouncer< 1.24.1
Debian Linux11.0

Remediation

Fixed in
Pgbouncer≥ 1.24.1

References

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Frequently asked

Is CVE-2025-2291 being actively exploited?

CVE-2025-2291 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.36%.

How severe is CVE-2025-2291?

CVE-2025-2291 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.36% probability of exploitation.

Which products are affected by CVE-2025-2291?

Affected products include Pgbouncer, Debian Linux.

How do I fix CVE-2025-2291?

Upgrade affected software to a fixed version, for example Pgbouncer 1.24.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-2291 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.