{"schemaVersion":3,"id":"CVE-2025-6037","aliases":["CGA-crpj-cpw2-hj9f","CGA-mm3f-wfgp-v65h","GHSA-6c5r-4wfc-3mcx","BIT-vault-2025-6037","GO-2025-3836","CGA-2837-q363-hxgp","CGA-37rc-fmwr-fmvw","CGA-664c-5vvj-q557","CGA-942v-h849-cxx4","CGA-9q78-4qjx-h9hf","CGA-c8g4-fjvp-hh65","CGA-cx5c-cr6g-3qr9","CGA-hqjh-ggpr-qqc2","CGA-mj37-v5x5-xrrx","CGA-x445-27fx-6g5r"],"status":"published","duplicateOf":null,"title":null,"description":"Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.","dates":{"published":"2025-08-01T17:52:48.778Z","modified":"2026-02-26T17:50:09.821Z","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:L/PR:H/UI:R/S:U/C:H/I:H/A:H","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:L/PR:H/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Wolfi","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","exploitability":2.3,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Go","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","exploitability":2.3,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Chainguard","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","exploitability":2.3,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.8,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00249,"percentile":0.15195,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00249},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00229,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00229,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00229,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00229,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00229,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00249,"percentile":0.15195}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00249,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00249,"percentile":0.15195}]},"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-295","name":"Improper Certificate Validation","description":"The product does not validate, or incorrectly validates, a certificate.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/295.html"}],"affected":[{"vendor":"chainguard","product":"splunk-otel-collector","name":"splunk-otel-collector","label":"splunk-otel-collector","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/splunk-otel-collector","purlType":"apk","versions":[{"text":"< 0.138.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.138.0-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"splunk-otel-collector-fips","name":"splunk-otel-collector-fips","label":"splunk-otel-collector-fips","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/splunk-otel-collector-fips","purlType":"apk","versions":[{"text":"< 0.138.0-r1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.138.0-r1","eol":null,"hubHref":null},{"vendor":"chainguard","product":"vault-1.16","name":"vault-1.16","label":"vault-1.16","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/vault-1.16","purlType":"apk","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"chainguard","product":"vault-1.17","name":"vault-1.17","label":"vault-1.17","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/vault-1.17","purlType":"apk","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"chainguard","product":"vault-1.18","name":"vault-1.18","label":"vault-1.18","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/vault-1.18","purlType":"apk","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"chainguard","product":"vault-1.19","name":"vault-1.19","label":"vault-1.19","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/vault-1.19","purlType":"apk","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"wolfi","product":"splunk-otel-collector","name":"splunk-otel-collector","label":"splunk-otel-collector","ecosystem":"Wolfi","cpePart":null,"purl":"pkg:apk/wolfi/splunk-otel-collector","purlType":"apk","versions":[{"text":"< 0.138.0-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.138.0-r0","eol":null,"hubHref":null},{"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":"< 1.20.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.20.1","eol":null,"hubHref":null},{"vendor":"hashicorp","product":"vault","name":"vault","label":"vault","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.16.23","noFixRecorded":false,"fixedIn":null},{"text":"< 1.20.1","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.17.0, < 1.18.12","noFixRecorded":false,"fixedIn":null},{"text":"≥ 1.19.0, < 1.19.7","noFixRecorded":false,"fixedIn":null},{"text":"1.20.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.16.23 | < 1.20.1 | ≥ 1.17.0, < 1.18.12 | ≥ 1.19.0, < 1.19.7 | 1.20.0","eol":{"isEol":true,"eolDate":"2025-10-21T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"1.20","label":"1.20","eolFrom":"2025-10-21T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":"1.20.4"},"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":"< 1.20.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.20.1","eol":null,"hubHref":"/vendor/hashicorp/vault_enterprise"}],"affectedCount":10,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2025-18-vault-certificate-auth-method-did-not-validate-common-name-for-non-ca-certificates/76037","label":"discuss.hashicorp.com/t/…","hostname":"discuss.hashicorp.com","tags":["WEB","Vendor Advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6037.json","label":"github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6037.json","hostname":"github.com","tags":["Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6037","label":"nvd.nist.gov/vuln/detail/CVE-2025-6037","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-6c5r-4wfc-3mcx","label":"github.com/advisories/GHSA-6c5r-4wfc-3mcx","hostname":"github.com","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2025:15434-1","SUSE-SU-2025:02912-1"],"duplicates":[],"related":["CGA-85G2-WJ5Q-MH33","OPENSUSE-SU-2025:15434-1","SUSE-SU-2025:02912-1"]},"timeline":[{"kind":"published","date":"2025-08-01T17:52:48.778Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-26T17:50:09.821Z","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":"2026-10-20T14:39:55.393Z","stale":false,"partial":false}}