CVE-2021-20354

HIGH

IBM WebSphere Application Server <9.0 - Path Traversal

Title source: llm
STIX 2.1

Description

IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 194883.

References (2)

Core 2
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.ibm.com/support/pages/node/6415959
VDB Entry, Vendor Advisory vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/194883

Scores

CVSS v3 7.5
EPSS 0.0370
EPSS Percentile 88.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-22
Status published
Products (1)
ibm/websphere_application_server 8.0.0.0 - 8.0.0.15
Published Feb 18, 2021
Tracked Since Feb 18, 2026