What’s Vulnerable › Vulnerabilities

CVE-2020-28648

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-16 · updated 2026-06-17
• Weakness: CWE-20

Description

Improper input validation in the Auto-Discovery component of Nagios XI before 5.7.5 allows an authenticated attacker to execute remote code.

Affected products

• Nagios XI: before 5.7.5 — fixed in 5.7.5

How to fix

Upgrade to a fixed version: Nagios XI 5.7.5. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html
• https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/
• https://www.nagios.com/downloads/nagios-xi/change-log/
• http://packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html
• https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/
• https://www.nagios.com/downloads/nagios-xi/change-log/

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