6.8

CVE-2009-3231: canonical ubuntu_linux Improper Authentication

Modified
Published 17-09-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-3231 is a medium (CVSS 6.8) Improper Authentication vulnerability in canonical ubuntu_linux. EPSS estimates a 7.57% chance of exploitation in the next 30 days, higher than 94.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
7.57%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2

Timeline

  1. 17-09-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

7.57%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

No change 0.00 pp

From 7.57% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Suse2 products
Canonical1 product
Fedoraproject1 product
Opensuse1 product
Postgresql1 product

5 vendors · 6 products

References

17 links
Show all 17 references