CVE-2021-20354

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CVSS 3.1

7.5 high

EPSS

4%p90

Published

Feb 18, 2021 (Feb 18, 2021)

Modified

Jun 17, 2026

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.

Vendors: ibm
Products: websphere application server
Weakness: CWE-22
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (4.1%)

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