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Servers and applications

CVE-2020-4589

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 184585.

Severity
Critical 9.8
Published
13 Aug 2020
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 8.5.0.0 up to 8.5.5.17
  • From 9.0.0.0 up to 9.0.5.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-4589
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-4589