{"id":"CVE-2023-25000","aliases":["BIT-vault-2023-25000","EUVD-2023-1119","GHSA-vq4h-9ghm-qmrr","GO-2023-1709"],"status":"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.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0021,"percentile":0.11329,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203","CWE-208"],"published":"2023-03-30T00:17:46Z","modified":"2026-10-28T02:30:24Z","fixes":[{"ecosystem":"Go","package":"github.com/hashicorp/vault","fixed_in":["1.11.9","1.12.5","1.13.1"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"vault","fixed_in":["1.11.9","1.12.5","1.13.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.9"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.12.0"},{"fixed":"1.12.5"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.13.0"},{"fixed":"1.13.1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.11.9"},{"introduced":"1.12.0"},{"fixed":"1.12.5"},{"introduced":"1.13.0"},{"fixed":"1.13.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.11.9"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"1.12.0"},{"fixed":"1.12.5"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"1.13.0"},{"fixed":"1.13.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/hashicorp/vault","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.11.9"},{"introduced":"1.12.0"},{"fixed":"1.12.5"},{"introduced":"1.13.0"},{"fixed":"1.13.1"}]}]}],"products":[{"vendor":"hashicorp","product":"vault"},{"vendor":"hashicorp","product":"vault enterprise"}],"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","Issue Tracking","Patch","Vendor Advisory","advisory","web"]},{"url":"https://security.netapp.com/advisory/ntap-20230526-0008/","tags":["x_transferred","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-25000","tags":["web","advisory"]},{"url":"https://github.com/hashicorp/vault/pull/19495","tags":["web","fix"]},{"url":"https://github.com/advisories/GHSA-vq4h-9ghm-qmrr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/25xxx/CVE-2023-25000.json","tags":["advisory"]},{"url":"https://github.com/hashicorp/vault","tags":["package"]},{"url":"https://security.netapp.com/advisory/ntap-20230526-0008","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2023-25000","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.","status":"published","published":"2023-03-30T00:17:46.23Z","modified":"2025-02-13T16:44:28.625Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T14:35:19.559321Z"}],"euvd":[{"id":"EUVD-2023-1119","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.","status":"published","published":"2023-03-30T00:17:46Z","modified":"2025-02-13T16:44:28Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:03:51.372924Z"}],"ghsa":[{"id":"GHSA-vq4h-9ghm-qmrr","title":"HashiCorp Vault's implementation of Shamir's secret sharing vulnerable to cache-timing attacks","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.","status":"published","published":"2023-03-30T03:30:38Z","modified":"2023-06-13T23:52:07Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-203","CWE-208"],"updated_at":"2026-11-02T14:36:55.184601Z"}],"nvd":[{"id":"CVE-2023-25000","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.","status":"published","published":"2023-03-30T01:15:07.493Z","modified":"2026-06-17T05:40:27.21Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-208","CWE-203"],"updated_at":"2026-11-02T14:07:51.883939Z"}],"osv":[{"id":"CVE-2023-25000","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.","status":"published","published":"2023-03-30T00:17:46.23Z","modified":"2026-10-28T02:30:24.934054264Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-208"],"updated_at":"2026-11-02T15:44:30.709518Z"},{"id":"GHSA-vq4h-9ghm-qmrr","title":"HashiCorp Vault's implementation of Shamir's secret sharing vulnerable to cache-timing attacks","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.","status":"published","published":"2023-03-30T03:30:38Z","modified":"2026-09-10T03:49:57.088012058Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-203","CWE-208"],"updated_at":"2026-11-02T15:46:57.694388Z"},{"id":"BIT-vault-2023-25000","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.","status":"published","published":"2024-03-06T11:09:06.073Z","modified":"2026-09-08T08:48:21.312754923Z","updated_at":"2026-11-02T15:28:36.104787Z"},{"id":"GO-2023-1709","title":"Cache-timing attacks in Shamir's secret sharing in github.com/hashicorp/vault","description":"HashiCorp Vault's implementation of Shamir's secret sharing uses precomputed table lookups, and is vulnerable to cache-timing attacks.\n\nAn 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.","status":"published","published":"2023-04-12T17:45:35Z","modified":"2026-02-04T03:29:23.204349Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}