{"id":"CVE-2023-45140","state":"PUBLISHED","title":"Group-based JIT MFA bypass on scp and sftp in The Bastion","description":"The Bastion provides authentication, authorization, traceability and auditability for SSH accesses. SCP and SFTP plugins don't honor group-based JIT MFA. Establishing a SCP/SFTP connection through The Bastion via a group access where MFA is enforced does not ask for additional factor. This abnormal behavior only applies to per-group-based JIT MFA. Other MFA setup types, such as Immediate MFA, JIT MFA on a per-plugin basis and JIT MFA on a per-account basis are not affected. This issue has been patched in version 3.14.15.","publishedAt":"2023-11-08T15:26:26.584Z","updatedAt":"2024-09-12T19:10:42.145Z","severity":{"score":4.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["ovh the-bastion"],"affected":[{"vendor":"ovh","product":"the-bastion","versions":[{"version":">= 3.0.0, <= 3.14.0","status":"affected"}]}],"references":["https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x","https://github.com/ovh/the-bastion/releases/tag/v3.14.15"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:06:24.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/45xxx/CVE-2023-45140.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-45140","state":"PUBLISHED","datePublished":"2023-11-08T15:26:26.584Z","dateUpdated":"2024-09-12T19:10:42.145Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-10-04T16:02:46.329Z"},"containers":{"cna":{"title":"Group-based JIT MFA bypass on scp and sftp in The Bastion","descriptions":[{"lang":"en","value":"The Bastion provides authentication, authorization, traceability and auditability for SSH accesses. SCP and SFTP plugins don't honor group-based JIT MFA. Establishing a SCP/SFTP connection through The Bastion via a group access where MFA is enforced does not ask for additional factor. This abnormal behavior only applies to per-group-based JIT MFA. Other MFA setup types, such as Immediate MFA, JIT MFA on a per-plugin basis and JIT MFA on a per-account basis are not affected. This issue has been patched in version 3.14.15."}],"affected":[{"vendor":"ovh","product":"the-bastion","versions":[{"version":">= 3.0.0, <= 3.14.0","status":"affected"}]}],"references":[{"url":"https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x","name":"https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ovh/the-bastion/releases/tag/v3.14.15","name":"https://github.com/ovh/the-bastion/releases/tag/v3.14.15","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306: Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-11-08T15:26:26.584Z"},"source":{"advisory":"GHSA-pr4q-w883-pf5x","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x","name":"https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/ovh/the-bastion/releases/tag/v3.14.15","name":"https://github.com/ovh/the-bastion/releases/tag/v3.14.15","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T20:14:19.158Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-04T14:25:53.100320Z","id":"CVE-2023-45140","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-12T19:10:42.145Z"}}]}}}