PT-2021-4143 · Nagios Xi · Nagios Xi

Published 2021-08-13 · Updated 2022-07-12 · CVE-2021-37349

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Nagios XI versions prior to 5.8.5

Description The issue is related to insecure privilege management in the clean.php file of the Nagios XI monitoring tool. It allows an attacker to escalate their privileges due to the lack of input sanitization from the database.

Recommendations For versions prior to 5.8.5, update to version 5.8.5 or later to resolve the issue. As a temporary workaround, consider restricting access to the cleaner.php file until a patch is applied.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2021-04736

CVE-2021-37349

Affected Products

Nagios Xi

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-37349 · Security Note
• https://bdu.fstec.ru/vul/2021-04736 · Security Note
• https://osv.dev/vulnerability/CVE-2021-37349 · Vendor Advisory
• https://nagios.com/downloads/nagios-xi/change-log · Vendor Advisory
• https://t.me/cvenotify/19276 · Telegram Post
• https://t.me/cibsecurity/27295 · Telegram Post