{"id":"CVE-2023-25000","state":"PUBLISHED","title":"Vault Vulnerable to Cache-Timing Attacks During Seal and Unseal Operations","description":"HashiCorp Vault's implementation of Shamir's secret sharing used precomputed table lookups, and was vulnerable to cache-timing attacks. An attacker with access to, and the ability to observe a large number of unseal operations on the host through a side channel may reduce the search space of a brute force effort to recover the Shamir shares. Fixed in Vault 1.13.1, 1.12.5, and 1.11.9.","publishedAt":"2023-03-30T00:17:46.230Z","updatedAt":"2025-02-13T16:44:28.625Z","severity":{"score":5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N","source":"HashiCorp"},"assigner":"HashiCorp","products":["HashiCorp Vault","HashiCorp Vault Enterprise"],"affected":[{"vendor":"HashiCorp","product":"Vault","defaultStatus":"unaffected","versions":[{"version":"1.13.0","status":"affected","lessThan":"1.13.1","versionType":"semver"},{"version":"1.12.0","status":"affected","lessThan":"1.12.5","versionType":"semver"},{"version":"1.11.0","status":"affected","lessThan":"1.11.9","versionType":"semver"},{"version":"0","status":"affected","lessThan":"1.11.0","versionType":"semver"}],"platforms":["Windows","MacOS","Linux","x86","ARM","64 bit","32 bit"],"repo":"https://github.com/hashicorp/vault"},{"vendor":"HashiCorp","product":"Vault Enterprise","defaultStatus":"unaffected","versions":[{"version":"1.13.0","status":"affected","lessThan":"1.13.1","versionType":"semver"},{"version":"1.12.0","status":"affected","lessThan":"1.12.5","versionType":"semver"},{"version":"1.11.0","status":"affected","lessThan":"1.11.9","versionType":"semver"},{"version":"0","status":"affected","lessThan":"1.11.0","versionType":"semver"}],"platforms":["Windows","MacOS","Linux","x86","ARM","64 bit","32 bit"]}],"references":["https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078","https://security.netapp.com/advisory/ntap-20230526-0008/"],"weaknesses":["CWE-208"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/25xxx/CVE-2023-25000.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-25000","state":"PUBLISHED","datePublished":"2023-03-30T00:17:46.230Z","dateUpdated":"2025-02-13T16:44:28.625Z","assignerShortName":"HashiCorp","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateReserved":"2023-02-01T17:54:13.893Z"},"containers":{"cna":{"title":"Vault Vulnerable to Cache-Timing Attacks During Seal and Unseal Operations","descriptions":[{"lang":"en","value":"HashiCorp Vault's implementation of Shamir's secret sharing used precomputed table lookups, and was vulnerable to cache-timing attacks. An attacker with access to, and the ability to observe a large number of unseal operations on the host through a side channel may reduce the search space of a brute force effort to recover the Shamir shares. Fixed in Vault 1.13.1, 1.12.5, and 1.11.9."}],"affected":[{"vendor":"HashiCorp","product":"Vault","defaultStatus":"unaffected","versions":[{"version":"1.13.0","status":"affected","lessThan":"1.13.1","versionType":"semver"},{"version":"1.12.0","status":"affected","lessThan":"1.12.5","versionType":"semver"},{"version":"1.11.0","status":"affected","lessThan":"1.11.9","versionType":"semver"},{"version":"0","status":"affected","lessThan":"1.11.0","versionType":"semver"}],"platforms":["Windows","MacOS","Linux","x86","ARM","64 bit","32 bit"],"repo":"https://github.com/hashicorp/vault"},{"vendor":"HashiCorp","product":"Vault Enterprise","defaultStatus":"unaffected","versions":[{"version":"1.13.0","status":"affected","lessThan":"1.13.1","versionType":"semver"},{"version":"1.12.0","status":"affected","lessThan":"1.12.5","versionType":"semver"},{"version":"1.11.0","status":"affected","lessThan":"1.11.9","versionType":"semver"},{"version":"0","status":"affected","lessThan":"1.11.0","versionType":"semver"}],"platforms":["Windows","MacOS","Linux","x86","ARM","64 bit","32 bit"]}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078"},{"url":"https://security.netapp.com/advisory/ntap-20230526-0008/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":5,"vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-208","lang":"en","description":"CWE-208 Observable Timing Discrepancy","type":"CWE"}]}],"providerMetadata":{"shortName":"HashiCorp","orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","dateUpdated":"2023-05-26T19:06:26.655Z"},"impacts":[{"capecId":"CAPEC-204","descriptions":[{"lang":"en","value":"CAPEC-204 Lifting Sensitive Data Embedded in Cache"}]}],"credits":[{"lang":"en","value":"Giuseppe Cocomazzi","user":"00000000-0000-4000-9000-000000000000","type":"finder"}],"source":{"advisory":"HCSEC-2023-10","discovery":"EXTERNAL"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20230526-0008/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T11:11:43.500Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-12T15:02:13.804694Z","id":"CVE-2023-25000","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":"2025-02-12T15:02:17.672Z"}}]}}}