PT-2020-18244 · Ibm · Ibm Websphere Application Server

Published 2020-10-28 · Updated 2020-10-30 · CVE-2020-4782

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

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

Description The issue allows a remote attacker to traverse directories on the system by sending a specially-crafted URL request containing dot dot sequences (/../) to view arbitrary files on the system.

Recommendations For IBM WebSphere Application Server versions 7.0 through 9.0, consider restricting access to sensitive files and directories to minimize the risk of exploitation. As a temporary workaround, consider implementing additional validation and sanitization of URL requests to prevent directory traversal attacks.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2020-4782

Affected Products

Ibm Websphere Application Server

References · 5

• https://exchange.xforce.ibmcloud.com/vulnerabilities/189213 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-4782 · Security Note
• https://ibm.com/support/pages/node/6356083 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-4782 · Vendor Advisory
• https://t.me/cibsecurity/15690 · Telegram Post