{"id":"GHSA-5x4g-q5rc-36jp","aliases":["GO-2024-2527"],"status":"published","title":"Etcd pkg Insecure ciphers are allowed by default","description":"### Vulnerability type\nCryptography\n\n### Detail\nThe TLS ciphers list supported by etcd contains insecure cipher suites. Users can configure the desired ciphers using the “--cipher-suites” flag, and a default list of secure cipher suites is used if empty.\n\n### Workarounds\nBy default, no action is required. If users want to specify cipher suites using the '--cipher-suites' flag, they should try not to specify insecure cipher suites. Please refer to the [security documentation](https://etcd.io/docs/v3.4/op-guide/security/).\n\n### References\nFind out more on this vulnerability in the [security audit report](https://github.com/etcd-io/etcd/blob/main/security/SECURITY_AUDIT.pdf)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Contact the [etcd security committee](https://github.com/etcd-io/etcd/blob/main/security/security-release-process.md#product-security-committee-psc)","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2024-02-03T00:02:58Z","modified":"2026-09-10T03:50:09Z","fixes":[{"ecosystem":"Go","package":"go.etcd.io/etcd/client/pkg/v3","fixed_in":["3.4.10","3.3.23"],"sources":["ghsa","osv"]},{"ecosystem":"Go","package":"go.etcd.io/etcd","fixed_in":["0.5.0-alpha.5.0.20221102000833-1f054980bc27"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"go.etcd.io/etcd/client/pkg/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.4.0-rc.0"},{"last_affected":"3.4.9"},{"fixed":"3.4.10"}]}]},{"source":"ghsa","ecosystem":"Go","package":"go.etcd.io/etcd/client/pkg/v3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.23"}]}]},{"source":"osv","ecosystem":"Go","package":"go.etcd.io/etcd/client/pkg/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"3.4.0-rc.0"},{"fixed":"3.4.10"}]}]},{"source":"osv","ecosystem":"Go","package":"go.etcd.io/etcd/client/pkg/v3","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.3.23"}]}]},{"source":"osv","ecosystem":"Go","package":"go.etcd.io/etcd","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.5.0-alpha.5.0.20221102000833-1f054980bc27"}]}]}],"references":[{"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-5x4g-q5rc-36jp","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-5x4g-q5rc-36jp"},{"url":"https://github.com/etcd-io/etcd","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-5x4g-q5rc-36jp","title":"Etcd pkg Insecure ciphers are allowed by default","description":"### Vulnerability type\nCryptography\n\n### Detail\nThe TLS ciphers list supported by etcd contains insecure cipher suites. Users can configure the desired ciphers using the “--cipher-suites” flag, and a default list of secure cipher suites is used if empty.\n\n### Workarounds\nBy default, no action is required. If users want to specify cipher suites using the '--cipher-suites' flag, they should try not to specify insecure cipher suites. Please refer to the [security documentation](https://etcd.io/docs/v3.4/op-guide/security/).\n\n### References\nFind out more on this vulnerability in the [security audit report](https://github.com/etcd-io/etcd/blob/main/security/SECURITY_AUDIT.pdf)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Contact the [etcd security committee](https://github.com/etcd-io/etcd/blob/main/security/security-release-process.md#product-security-committee-psc)","status":"published","published":"2024-02-03T00:02:58Z","modified":"2024-07-05T21:34:15Z","updated_at":"2026-11-02T14:37:56.530214Z"}],"osv":[{"id":"GHSA-5x4g-q5rc-36jp","title":"Etcd pkg Insecure ciphers are allowed by default","description":"### Vulnerability type\nCryptography\n\n### Detail\nThe TLS ciphers list supported by etcd contains insecure cipher suites. Users can configure the desired ciphers using the “--cipher-suites” flag, and a default list of secure cipher suites is used if empty.\n\n### Workarounds\nBy default, no action is required. If users want to specify cipher suites using the '--cipher-suites' flag, they should try not to specify insecure cipher suites. Please refer to the [security documentation](https://etcd.io/docs/v3.4/op-guide/security/).\n\n### References\nFind out more on this vulnerability in the [security audit report](https://github.com/etcd-io/etcd/blob/main/security/SECURITY_AUDIT.pdf)\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Contact the [etcd security committee](https://github.com/etcd-io/etcd/blob/main/security/security-release-process.md#product-security-committee-psc)","status":"published","published":"2024-02-03T00:02:58Z","modified":"2026-09-10T03:50:09.74624672Z","updated_at":"2026-11-02T15:46:38.911014Z"},{"id":"GO-2024-2527","title":"Insecure ciphers are allowed by default in go.etcd.io/etcd","description":"The TLS ciphers list supported by etcd contains insecure cipher suites. Users may specify that an insecure cipher is used via “--cipher-suites” flag. A list of secure suites is used by default.","status":"published","published":"2024-06-28T15:28:53Z","modified":"2026-02-04T03:50:19.119291Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}