{"id":"CVE-2025-36546","state":"PUBLISHED","title":"F5OS Appliance Mode vulnerability","description":"On an F5OS system, if the root user had previously configured the system to allow login via SSH key-based authentication, and then enabled Appliance Mode; access via SSH key-based authentication is still allowed. For an attacker to exploit this vulnerability they must obtain the root user's SSH private key.  \n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","publishedAt":"2025-05-07T22:04:08.040Z","updatedAt":"2026-02-26T18:28:44.047Z","severity":{"score":9.2,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"f5"},"assigner":"f5","products":["F5 F5OS - Appliance","F5 F5OS - Chassis"],"affected":[{"vendor":"F5","product":"F5OS - Appliance","defaultStatus":"unknown","versions":[{"version":"1.7.0","status":"affected","lessThan":"1.8.0","versionType":"custom"},{"version":"1.5.1","status":"affected","lessThan":"1.5.3","versionType":"custom"}],"modules":["Appliance Mode"]},{"vendor":"F5","product":"F5OS - Chassis","defaultStatus":"unknown","versions":[{"version":"1.6.0","status":"affected","lessThan":"1.8.0","versionType":"custom"}],"modules":["Appliance Mode"]}],"references":["https://my.f5.com/manage/s/article/K000140574"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:09:03.054Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/36xxx/CVE-2025-36546.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-36546","state":"PUBLISHED","datePublished":"2025-05-07T22:04:08.040Z","dateUpdated":"2026-02-26T18:28:44.047Z","assignerShortName":"f5","assignerOrgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab","dateReserved":"2025-04-23T22:28:26.330Z"},"containers":{"cna":{"title":"F5OS Appliance Mode vulnerability","descriptions":[{"lang":"en","value":"On an F5OS system, if the root user had previously configured the system to allow login via SSH key-based authentication, and then enabled Appliance Mode; access via SSH key-based authentication is still allowed. For an attacker to exploit this vulnerability they must obtain the root user's SSH private key.  \n\nNote: Software versions which have reached End of Technical Support (EoTS) are not evaluated."}],"affected":[{"vendor":"F5","product":"F5OS - Appliance","defaultStatus":"unknown","versions":[{"version":"1.7.0","status":"affected","lessThan":"1.8.0","versionType":"custom"},{"version":"1.5.1","status":"affected","lessThan":"1.5.3","versionType":"custom"}],"modules":["Appliance Mode"]},{"vendor":"F5","product":"F5OS - Chassis","defaultStatus":"unknown","versions":[{"version":"1.6.0","status":"affected","lessThan":"1.8.0","versionType":"custom"}],"modules":["Appliance Mode"]}],"references":[{"url":"https://my.f5.com/manage/s/article/K000140574","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/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-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"f5","orgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab","dateUpdated":"2025-05-07T22:04:08.040Z"},"credits":[{"lang":"en","type":"finder","value":"F5"}],"datePublic":"2025-05-07T14:00:00.000Z","source":{"discovery":"INTERNAL"},"x_generator":{"engine":"F5 SIRTBot v1.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-36546","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-05-08T03:56:25.828794Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T18:28:44.047Z"}}]}}}