PT-2021-22864 · Nagios Xi · Nagios Xi

Published 2021-10-26 · Updated 2021-11-01 · CVE-2021-40343

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 version 5.8.5

Description An issue was discovered in Nagios XI where insecure file permissions on the nagios unbundler.py file allow the nagios user to elevate their privileges to the root user.

Recommendations For Nagios XI version 5.8.5, consider restricting access to the nagios unbundler.py file to prevent privilege escalation until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Incorrect Permission

Weakness Enumeration

CWE-732

Related Identifiers

CVE-2021-40343

Affected Products

Nagios Xi

References · 6

• 🔥 https://synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdf · Exploit
• https://osv.dev/vulnerability/CVE-2021-40343 · Vendor Advisory
• https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40343 · Security Note
• https://synacktiv.com · Note
• https://t.me/cibsecurity/31202 · Telegram Post