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Vulnerability record · CVE-2009-3231 · published 17 September 2009

CVE-2009-3231: Postgresql improper authentication vulnerability

Postgresql · Postgresql

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.

6.8 CVSS 2.0 Medium EPSS 7.6% · top 5.7% CWE-287 · Improper authentication
6.8CVSS 2.0 base score
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
34References
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html Mailing List
http://marc.info/?l=bugtraq&m=134124585221119&w=2 Mailing List
http://secunia.com/advisories/36660 Broken LinkVendor Advisory
http://secunia.com/advisories/36727 Broken LinkVendor Advisory
http://secunia.com/advisories/36800 Broken Link
http://secunia.com/advisories/36837 Broken Link
http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0012 Broken Link
http://www.postgresql.org/docs/8.3/static/release-8-3-8.html Release Notes
http://www.postgresql.org/support/security.html Broken LinkVendor Advisory
http://www.securityfocus.com/archive/1/509917/100/0/threaded Broken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/36314 Broken LinkThird Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/usn-834-1 Third Party Advisory
http://www.us.debian.org/security/2009/dsa-1900 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=522084 Issue TrackingPatch
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00305.html Mailing List
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00307.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html Mailing List
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html Mailing List
http://marc.info/?l=bugtraq&m=134124585221119&w=2 Mailing List
http://secunia.com/advisories/36660 Broken LinkVendor Advisory
http://secunia.com/advisories/36727 Broken LinkVendor Advisory
http://secunia.com/advisories/36800 Broken Link
http://secunia.com/advisories/36837 Broken Link
http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0012 Broken Link
http://www.postgresql.org/docs/8.3/static/release-8-3-8.html Release Notes
http://www.postgresql.org/support/security.html Broken LinkVendor Advisory
http://www.securityfocus.com/archive/1/509917/100/0/threaded Broken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/36314 Broken LinkThird Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/usn-834-1 Third Party Advisory
http://www.us.debian.org/security/2009/dsa-1900 Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=522084 Issue TrackingPatch
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00305.html Mailing List
https://www.redhat.com/archives/fedora-package-announce/2009-September/msg00307.html Mailing List

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Source: NIST National Vulnerability Database (record CVE-2009-3231), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.