{"schemaVersion":3,"id":"CVE-2023-4680","aliases":["GHSA-v84f-6r39-cpfc","BIT-vault-2023-4680","GO-2023-2063"],"status":"published","duplicateOf":null,"title":null,"description":"HashiCorp Vault and Vault Enterprise transit secrets engine allowed authorized users to specify arbitrary nonces, even with convergent encryption disabled. The encrypt endpoint, in combination with an offline attack, could be used to decrypt arbitrary ciphertext and potentially derive the authentication subkey when using transit secrets engine without convergent encryption. Introduced in 1.6.0 and fixed in 1.14.3, 1.13.7, and 1.12.11.","dates":{"published":"2023-09-14T23:06:24.546Z","modified":"2024-09-26T17:38:48.629Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.8,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Go","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":4.1,"impact":8.7,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0044,"percentile":0.3713,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.0044},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00368,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00436,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0044,"percentile":0.3713}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.0044,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.0044,"percentile":0.3713}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-323","name":"Reusing a Nonce, Key Pair in Encryption","description":"Nonces should be used for the present occasion and only once.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/323.html"},{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"github.com/hashicorp","product":"vault","name":"github.com/hashicorp/vault","label":"vault","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/github.com/hashicorp/vault","purlType":"golang","versions":[{"text":"≥ 1.6.0, < 1.12.11","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.13.0, < 1.13.7","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.14.0, < 1.14.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.6.0, < 1.12.11 | ≥ 1.13.0, < 1.13.7 | ≥ 1.14.0, < 1.14.3","eol":null,"hubHref":null},{"vendor":"hashicorp","product":"vault","name":"vault","label":"vault","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.12.0, < 1.12.11","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.6.0, < 1.12.0","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.6.0, < 1.12.11","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.13.0, < 1.13.7","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.14.0, < 1.14.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.12.0, < 1.12.11 | ≥ 1.6.0, < 1.12.0 | ≥ 1.6.0, < 1.12.11 | ≥ 1.13.0, < 1.13.7 | ≥ 1.14.0, < 1.14.3","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"hashicorp-vault","label":"Hashicorp Vault","category":"server-app"}},"hubHref":"/vendor/hashicorp/vault"},{"vendor":"hashicorp","product":"vault enterprise","name":"Vault Enterprise","label":"vault enterprise","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 1.14.0, < 1.14.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.13.0, < 1.13.7","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.12.0, < 1.12.11","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.6.0, < 1.12.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 1.14.0, < 1.14.3 | ≥ 1.13.0, < 1.13.7 | ≥ 1.12.0, < 1.12.11 | ≥ 1.6.0, < 1.12.0","eol":null,"hubHref":"/vendor/hashicorp/vault_enterprise"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2023-28-vault-s-transit-secrets-engine-allowed-nonce-specified-without-convergent-encryption/58249","label":"discuss.hashicorp.com/t/…","hostname":"discuss.hashicorp.com","tags":["WEB","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4680","label":"nvd.nist.gov/vuln/detail/CVE-2023-4680","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/hashicorp/vault","label":"github.com/hashicorp/vault","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://github.com/advisories/GHSA-v84f-6r39-cpfc","label":"github.com/advisories/GHSA-v84f-6r39-cpfc","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CGA-HHGM-MV22-FF57","CGA-XW48-GHHJ-4WCC"]},"timeline":[{"kind":"published","date":"2023-09-14T23:06:24.546Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-26T17:38:48.629Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":27,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T23:31:28.786Z","stale":false,"partial":false}}