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Servers and applications

CVE-2021-20492

IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 197793.

Severity
High 8.2
Published
26 May 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 8.0.0.0 up to 8.0.0.15
  • From 8.5.0.0 up to 8.5.5.19
  • From 9.0.0.0 up to 9.0.5.7
  • From 17.0.0.3 up to 21.0.0.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20492
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20492