PT-2021-21156 · Fortinet · Fortiportal

Published 2021-11-02 · Updated 2021-11-04 · CVE-2021-36172

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions FortiPortal versions prior to 6.0.6

Description The issue is related to an improper restriction of XML external entity reference in the parser of XML responses, which may allow an attacker to trigger a denial of service or read arbitrary files from the underlying file system by using specifically crafted XML documents.

Recommendations For FortiPortal versions prior to 6.0.6, update to version 6.0.6 or later to resolve the issue. As a temporary workaround, consider restricting the consumption of XML reports from untrusted sources to minimize the risk of exploitation.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2021-36172

Affected Products

Fortiportal

References · 4

• https://fortiguard.com/advisory/FG-IR-21-104 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-36172 · Security Note
• https://osv.dev/vulnerability/CVE-2021-36172 · Vendor Advisory
• https://t.me/cibsecurity/31620 · Telegram Post