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Servers and applications

CVE-2009-0506

Unspecified vulnerability in IBM WebSphere Application Server (WAS) 5.1 and 6.0.2 before 6.0.2.33 on z/OS, when CSIv2 Identity Assertion is enabled and Enterprise JavaBeans (EJB) interaction occurs between a WAS 6.1 instance and a WAS pre-6.1 instance, allows local users to have an unknown impact via vectors related to (1) use of the wrong subject and (2) multiple CBIND checks.

Severity
Medium 6.2
Published
25 Feb 2009
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.3% in the next 30 daysHigher than 19% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Needs local access · Only under certain conditions · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:L/AC:H/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
IBM WebSphere Application ServerServers and applications · cpe:a:ibm:websphere_application_server
  • Version 6.0.2.24
  • Version 6.0.2.22
  • Version 6.0.2.20
  • Version 6.0.2.18
All 13 release lines
  • Version 5.1.0
  • Version 6.0.2
  • Version 6.0.2.4
  • Version 6.0.2.6
  • Version 6.0.2.8
  • Version 6.0.2.10
  • Version 6.0.2.12
  • Version 6.0.2.14
  • Version 6.0.2.16
  • Version 6.0.2.18
  • Version 6.0.2.20
  • Version 6.0.2.22
  • Version 6.0.2.24

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-0506
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-0506