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Case File

CVE-2021-20517

HIGH · CVSS 8.8 EPSS 1.86%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-07 · Last synced 2026-08-04

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CVE
CVE-2021-20517
Severity
HIGH
CVSS
8.8
EPSS
1.86%

Original NVD Description

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.