PT-2020-18118 · Ibm · Ibm Websphere Application Server

Published 2020-08-03 · Updated 2021-07-21 · CVE-2020-4534

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server versions 7.0 through 9.0

Description The issue is caused by improper handling of UNC paths, allowing a local authenticated attacker to gain elevated privileges on the system. An attacker could exploit this by scheduling a task with a specially-crafted UNC path to execute arbitrary code with higher privileges.

Recommendations For IBM WebSphere Application Server versions 7.0 through 9.0, update to a version that properly handles UNC paths to prevent exploitation.

Fix

Related Identifiers

CVE-2020-4534

Affected Products

Ibm Websphere Application Server

References · 4

• https://osv.dev/vulnerability/CVE-2020-4534 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-4534 · Security Note
• https://ibm.com/support/pages/node/6255074 · Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/182808 · Vendor Advisory