CVE-2021-20354

HighCVSS 7.5/10Last 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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 18, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-20354: High severity, CVSS 7.5 | Vulnix