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Servers and applications

CVE-2021-29842

IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 21.0.0.9 could allow a remote user to enumerate usernames due to a difference of responses from valid and invalid login attempts. IBM X-Force ID: 205202.

Severity
Medium 5.3
Published
16 Sept 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
IBM WebSphere Application ServerServers and applications · cpe:a:ibm:websphere_application_server
  • From 7.0.0.0 up to 7.0.0.45
  • From 8.0.0.0 up to 8.0.0.15
  • From 8.5 up to 8.5.5.20
  • From 9.0.0.0 up to 9.0.5.9
  • From 17.0.0.3 up to 21.0.0.9

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-29842
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-29842