{"id":"CVE-2025-15679","state":"PUBLISHED","title":"BMC root account active without password on BullSequana XH3406 and XH3515","description":"Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515.","publishedAt":"2026-09-11T08:02:03.465Z","updatedAt":"2026-09-11T15:25:17.549Z","severity":{"score":7.3,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/S:P/AU:N/R:U/V:C/RE:L/U:Clear","source":"Bull"},"assigner":"Bull","products":["Bull BullSequana XH3406","Bull BullSequana XH3515"],"affected":[{"vendor":"Bull","product":"BullSequana XH3406","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"TS 04.05","versionType":"custom"}]},{"vendor":"Bull","product":"BullSequana XH3515","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"TS 43.01","versionType":"custom"}]}],"references":["https://myatos.my.site.com/psmcustomer/s/contentdocument/069ci00000eNzLYAA0"],"weaknesses":["CWE-258"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/15xxx/CVE-2025-15679.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-15679","state":"PUBLISHED","datePublished":"2026-09-11T08:02:03.465Z","dateUpdated":"2026-09-11T15:25:17.549Z","assignerShortName":"Bull","assignerOrgId":"5bcc34ac-0282-4e8a-96fc-046c583d3048","dateReserved":"2026-08-04T11:26:59.448Z"},"containers":{"cna":{"title":"BMC root account active without password on BullSequana XH3406 and XH3515","descriptions":[{"lang":"en","value":"Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515."}],"affected":[{"vendor":"Bull","product":"BullSequana XH3406","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"TS 04.05","versionType":"custom"}]},{"vendor":"Bull","product":"BullSequana XH3515","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"TS 43.01","versionType":"custom"}]}],"references":[{"url":"https://myatos.my.site.com/psmcustomer/s/contentdocument/069ci00000eNzLYAA0","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"LOW","exploitMaturity":"PROOF_OF_CONCEPT","Safety":"PRESENT","Automatable":"NO","Recovery":"USER","valueDensity":"CONCENTRATED","vulnerabilityResponseEffort":"LOW","providerUrgency":"CLEAR","version":"4.0","baseSeverity":"HIGH","baseScore":7.3,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/S:P/AU:N/R:U/V:C/RE:L/U:Clear"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-258","lang":"en","description":"CWE-258 Empty password in configuration file","type":"CWE"}]}],"providerMetadata":{"shortName":"Bull","orgId":"5bcc34ac-0282-4e8a-96fc-046c583d3048","dateUpdated":"2026-09-11T13:15:43.199Z"},"datePublic":"2026-09-11T08:01:00.000Z","impacts":[{"capecId":"CAPEC-70","descriptions":[{"lang":"en","value":"CAPEC-70 Try Common or Default Usernames and Passwords"}]}],"configurations":[{"lang":"en","value":"Reset to factory default operation.","supportingMedia":[{"type":"text/html","base64":false,"value":"Reset to factory default operation."}]}],"solutions":[{"lang":"en","value":"Apply one of the fixed Technical state mentionned above.","supportingMedia":[{"type":"text/html","base64":false,"value":"<div><div>Apply one of the fixed Technical state mentionned above.<div><div></div></div></div></div><br>"}]}],"source":{"advisory":"PSIRT-2066","discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-11T15:23:45.592824Z","id":"CVE-2025-15679","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":"2026-09-11T15:25:17.549Z"}}]}}}