{"id":"CVE-2018-25123","state":"PUBLISHED","title":"Nagios XI < 5.5.7 Privilege Escalation via MRTG Graphing Component","description":"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.","publishedAt":"2025-10-30T21:40:26.892Z","updatedAt":"2025-11-17T18:21:39.196Z","severity":{"score":8.5,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Nagios XI"],"affected":[{"vendor":"Nagios","product":"XI","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.5.7","versionType":"semver"}],"modules":["MRTG graphing component"]}],"references":["https://www.nagios.com/changelog/nagios-xi/","https://www.vulncheck.com/advisories/nagios-xi-privilege-escalation-via-mrtg-graphing-component"],"weaknesses":["CWE-250"],"ingestedAt":"2026-10-29T19:44:44.295Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/25xxx/CVE-2018-25123.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2018-25123","state":"PUBLISHED","datePublished":"2025-10-30T21:40:26.892Z","dateUpdated":"2025-11-17T18:21:39.196Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2025-10-29T20:49:14.561Z"},"containers":{"cna":{"title":"Nagios XI < 5.5.7 Privilege Escalation via MRTG Graphing Component","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Nagios","product":"XI","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.5.7","versionType":"semver"}],"modules":["MRTG graphing component"]}],"references":[{"url":"https://www.nagios.com/changelog/nagios-xi/","tags":["release-notes","patch"]},{"url":"https://www.vulncheck.com/advisories/nagios-xi-privilege-escalation-via-mrtg-graphing-component","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.5,"baseSeverity":"HIGH","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-250","description":"CWE-250 Execution with Unnecessary Privileges","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2025-11-17T18:21:39.196Z"},"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*","versionEndExcluding":"5.5.7"}]}]}],"credits":[{"lang":"en","type":"finder","value":"Daniel Sayk of Telekom Security"}],"impacts":[{"capecId":"CAPEC-69","descriptions":[{"lang":"en","value":"CAPEC-69 Target Programs with Elevated Privileges"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Nagios addresses this vulnerability as \"Fixed privilege escalation security vulnerability in MRTG graphing component by running as nagios user/group.\"<br>"}],"value":"Nagios addresses this vulnerability as \"Fixed privilege escalation security vulnerability in MRTG graphing component by running as nagios user/group.\""}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-31T13:05:58.696301Z","id":"CVE-2018-25123","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-31T13:24:53.962Z"}}]}}}