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High severity8.2NVD Advisory· Published May 26, 2021· Updated Jun 17, 2026

CVE-2021-20492

CVE-2021-20492

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5
  • IBM/Websphere Application Serverllm-fuzzy4 versions
    8.0, 8.5, 9.0+ 3 more
    • (no CPE)range: 8.0, 8.5, 9.0
    • (no CPE)range: 8.0
    • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*range: >=8.0.0.0,<=8.0.0.15
    • cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*range: >=17.0.0.3,<=21.0.0.5
  • IBM/Liberty Java Batchllm-fuzzy

Patches

Vulnerability mechanics

References

2

News mentions

0

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