UpHeron
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Servers and applications

CVE-2009-3231

The core server component in PostgreSQL 8.3 before 8.3.8 and 8.2 before 8.2.14, when using LDAP authentication with anonymous binds, allows remote attackers to bypass authentication via an empty password.

Severity
Medium 6.8
Published
17 Sept 2009
Last changed
16 Jun 2026
Added to UpHeron
16 Oct 2026
Fixed in
8.2.14, 8.3.8
Exploit chance
7.6% in the next 30 daysHigher than 94% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper authentication (CWE-287)
Attack
Over the network · No login needed
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
PostgreSQLServers and applications · cpe:a:postgresql:postgresql
  • From 8.2 before 8.2.14
  • From 8.3 before 8.3.8

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-3231
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-3231