What’s Vulnerable › Vulnerabilities

CVE-2025-34298: Nagios Log Server < 2024R1.3.2 Set Email Privilege Escalation

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-30 · updated 2026-10-07
• Weakness: CWE-281

Description

Nagios Log Server versions prior to 2024R1.3.2 contain a privilege escalation vulnerability in the account email-change workflow. A user could set their own email to an invalid value and, due to insufficient validation and authorization checks tied to email identity state, trigger inconsistent account state that granted elevated privileges or bypassed intended access controls.

Affected products

• Nagios Log Server: before 2024; 2024-r1, 2024-r1.0.1, 2024-r1.0.2, 2024-r1.1, 2024-r1.2, 2024-r1.3 (+1) — fixed in 2024

How to fix

Upgrade to a fixed version: Nagios Log Server 2024. Check the vendor advisory for mitigations.

References

• https://www.nagios.com/changelog/nagios-log-server-2024r1/
• https://www.vulncheck.com/advisories/nagios-log-server-set-email-privilege-escalation

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