PT-2021-3273 · Nagios · Nagios Fusion

Published 2021-05-20 · Updated 2021-05-28 · CVE-2020-28902

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Nagios Fusion versions 4.1.8 and earlier

Description The issue is related to command injection in the cmd subsys.php script, allowing privilege escalation from apache to root. It is caused by insufficient input data sanitization, which can be exploited by a remote attacker to elevate their privileges.

Recommendations For Nagios Fusion versions 4.1.8 and earlier, consider disabling the cmd subsys.php script as a temporary workaround until a patch is available. Restrict access to this script to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2021-03035

CVE-2020-28902

Affected Products

Nagios Fusion

References · 7

• 🔥 https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you · Exploit
• https://nagios.com/downloads/nagios-xi/change-log · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03035 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-28902 · Security Note
• https://osv.dev/vulnerability/CVE-2020-28902 · Vendor Advisory
• https://t.me/ptswarm/42 · Telegram Post
• http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html · Note