Skip to content
Vulnerability Intelligence

CVE-2009-1979

CriticalPublic exploit

Unspecified vulnerability in the Network Authentication component in Oracle Database 10.1.0.5 and 10.2.0.4 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors.

Published Oct 22, 2009 · Updated Apr 22, 2026

Key Facts

Patch immediately
  • CVE-2009-1979 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Database Server (Oracle).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 76% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

10.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

76%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2009-1979 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Unspecified vulnerability in the Network Authentication component in Oracle Database 10.1.0.5 and 10.2.0.4 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the October 2009 CPU. Oracle has not commented on claims from an independent researcher that this is related to improper validation of the AUTH_SESSKEY parameter length that leads to arbitrary code execution.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Database ServerOracle10.1.0.5, 10.2.0.4n/a

Timeline

  1. Publicly disclosed

    Oct 22, 2009

  2. Last updated

    Apr 22, 2026

References

6 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2009-1979 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.

Request A Demo