PT-2021-20925 · Nagios · Nagios Log Server

Published 2021-07-27 · Updated 2022-02-10 · CVE-2021-35478

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 Log Server versions prior to 2.1.9

Description: The issue is related to Reflected XSS in the dropdown box for the alert history and audit log function. All parameters used for filtering are affected, which can be exploited when users open a crafted link or visit a third-party web page.

Recommendations: For versions prior to 2.1.9, update to version 2.1.9 or later to resolve the issue. As a temporary workaround, consider restricting access to the alert history and audit log function to minimize the risk of exploitation. Avoid using the affected parameters for filtering in the dropdown box until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-35478

Affected Products

Nagios Log Server

References · 7

• 🔥 https://research.nccgroup.com/2021/07/22/technical-advisory-stored-and-reflected-xss-vulnerability-in-nagios-log-server-cve-2021-35478cve-2021-35479 · Exploit
• https://nagios.com/downloads/nagios-log-server/change-log · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-35478 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-35478 · Security Note
• https://t.me/cibsecurity/26612 · Telegram Post
• https://t.me/cvenotify/18811 · Telegram Post
• https://research.nccgroup.com/?research=Technical%20advisories · Note