Auth bypass in Pgbouncer

CVE-2015-6817

PgBouncer 1.6.x before 1.6.1, when configured with auth_user, allows remote attackers to gain login access as auth_user via an unknown username.

Vulnerability class: Broken Authentication

EPSS: 0.022 (80.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Pgbouncer — versions 1.6
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-6817?
CVE-2015-6817 is a high-severity vulnerability in Pgbouncer, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-05-23.
How severe is CVE-2015-6817?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2015-6817 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.