CVE-2021-20353

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 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: 194882.

• CWE-611

• https://exchange.xforce.ibmcloud.com/vulnerabilities/194882VDB Entry, Vendor Advisory
• https://www.ibm.com/support/pages/node/6413709Patch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-174/Third Party Advisory, VDB Entry
• https://exchange.xforce.ibmcloud.com/vulnerabilities/194882VDB Entry, Vendor Advisory
• https://www.ibm.com/support/pages/node/6413709Patch, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-174/Third Party Advisory, VDB Entry

Published

Feb 10, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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