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CVE-2009-3231

23
FAUCET Score

CVE-2009-3231 describes an authentication bypass vulnerability in PostgreSQL versions 8.3 prior to 8.3.8 and 8.2 prior to 8.2.14, specifically when configured for LDAP authentication with anonymous binds. This flaw allows remote attackers to gain unauthorized access by providing an empty password. With a CVSS score of 6.8, this vulnerability is moderately severe, enabling remote attackers to achieve partial confidentiality, integrity, and availability impacts with medium attack complexity. Despite its age, there is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion beyond a single Reddit mention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.2, < 8.2.14CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 8.3, < 8.3.8CPE matchmatch criteria
cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
>= 10.3, <= 11.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise:10.0:sp2:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise:11.0:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.57%
Probability of exploitation in next 30 days
EPSS Percentile
93.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0757 is in the 93rd percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2009-3231Important

postgresql: LDAP authentication bypass when anonymous LDAP bind are allowed

Sep 9, 2009

References

lists.opensuse.org / opensuse-security-announce/2009-10/msg00001.html
Mailing List
lists.opensuse.org / opensuse-security-announce/2009-10/msg00004.html
Mailing List
marc.info
Mailing List
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
secunia.com / advisories/36660
Broken LinkVendor Advisory
secunia.com / advisories/36727
Broken LinkVendor Advisory
secunia.com / advisories/36800
Broken Link
secunia.com / advisories/36837
Broken Link
redhat.com / archives/fedora-package-announce/2009-September/msg00305.html
Mailing List
redhat.com / archives/fedora-package-announce/2009-September/msg00307.html
Mailing List
wiki.rpath.com / wiki/Advisories:rPSA-2010-0012
Broken Link
postgresql.org / docs/8.3/static/release-8-3-8.html
Release Notes
postgresql.org / support/security.html
Broken LinkVendor Advisory
securityfocus.com / archive/1/509917/100/0/threaded
Broken LinkThird Party AdvisoryVDB Entry
securityfocus.com / bid/36314
Broken LinkThird Party AdvisoryVDB Entry
ubuntu.com / usn/usn-834-1
Third Party Advisory
us.debian.org / security/2009/dsa-1900
Broken Link