CVE-2021-20517 Information

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.

CVSS Vector

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

Reference

https://www.ibm.com/support/pages/node/6456955 https://exchange.xforce.ibmcloud.com/vulnerabilities/198435

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8