UpHeron
All vulnerabilities

Servers and applications

CVE-2018-25123

Nagios XI versions prior to 5.5.7 contain a privilege escalation vulnerability in the MRTG graphing component. MRTG-related processes/scripts executed with excessive privileges, allowing a local attacker with limited system access to abuse file/command execution paths or writable resources to gain elevated privileges.

Severity
High 8.5
Published
30 Oct 2025
Last changed
18 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.5.7
Sources
NVD

Affected software

SoftwareAffected versions
Nagios XIServers and applications · cpe:a:nagios:nagios_xi
  • Every version before 5.5.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-25123
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-25123