CVE-2021-20517

IBM WebSphere Application Server Network Deployment 8.5 and 9.0 could allow a remote authenticated attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to read and delete arbitrary files on the system. IBM X-Force ID: 198435.

• CWE-22

• https://exchange.xforce.ibmcloud.com/vulnerabilities/198435VDB Entry, Vendor Advisory
• https://www.ibm.com/support/pages/node/6456955Patch, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/198435VDB Entry, Vendor Advisory
• https://www.ibm.com/support/pages/node/6456955Patch, Vendor Advisory

Published

Jun 7, 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.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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