PT-2020-16893 · Nagios · Nagios Xi

Published 2020-11-16 · Updated 2020-11-17 · CVE-2020-27990

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Nagios XI versions prior to 5.7.5

Description The issue concerns a Cross-Site Scripting (XSS) vulnerability in the Deployment tool, specifically in the 'add agent' functionality. This type of vulnerability allows an attacker to inject malicious scripts into content from otherwise trusted websites.

Recommendations For Nagios XI versions prior to 5.7.5, update to version 5.7.5 or later to resolve the issue. As a temporary workaround, consider restricting access to the Deployment tool to minimize the risk of exploitation.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-27990

Affected Products

Nagios Xi

References · 4

• https://nagios.com/downloads/nagios-xi/change-log · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-27990 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27990 · Security Note
• https://t.me/cibsecurity/16373 · Telegram Post