{"id":"CVE-2020-8827","aliases":["BIT-argo-cd-2020-8827","EUVD-2021-1501","GHSA-xcqr-9h24-vrgw","GO-2022-0892"],"status":"published","title":"Improper Restriction of Excessive Authentication Attempts in Argo API","description":"As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02212,"percentile":0.8284,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-307"],"published":"2020-04-08T19:43:40Z","modified":"2026-10-24T10:30:51Z","fixes":[{"ecosystem":"Go","package":"github.com/argoproj/argo-cd","fixed_in":["1.5.1"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"argo-cd","fixed_in":["1.5.0"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/argoproj/argo-cd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"argo-cd","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.5.0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/argoproj/argo-cd","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.5.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/argoproj/argo-cd","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.5.1"}]}]}],"products":[{"vendor":"argoproj","product":"argo_cd"}],"references":[{"url":"https://github.com/argoproj/argo/releases","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web","advisory"]},{"url":"https://www.soluble.ai/blog/argo-cves-2020","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web","evidence"]},{"url":"https://argoproj.github.io/argo-cd/security_considerations/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://argoproj.github.io/argo-cd/operator-manual/user-management/#disable-admin-user","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8827","tags":["advisory"]},{"url":"https://github.com/argoproj/argo-cd/pull/3369","tags":["web","fix"]},{"url":"https://github.com/argoproj/argo-cd/pull/3404","tags":["web","fix"]},{"url":"https://github.com/argoproj/argo-cd/commit/35a7350b7444bcaf53ee0bb11b9d8e3ae4b717a1","tags":["web","fix"]},{"url":"https://argoproj.github.io/argo-cd/security_considerations","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xcqr-9h24-vrgw","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-8827","description":"As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.","status":"published","published":"2020-04-08T19:43:40Z","modified":"2024-08-04T10:12:10.737Z","updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2021-1501","description":"As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.","status":"published","published":"2020-04-08T19:43:40Z","modified":"2024-08-04T10:12:10Z","updated_at":"2026-11-03T03:07:55.71159Z"}],"ghsa":[{"id":"GHSA-xcqr-9h24-vrgw","title":"Improper Restriction of Excessive Authentication Attempts in Argo API","description":"As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.\n\n### Specific Go Packages Affected\ngithub.com/argoproj/argo-cd/util/cache","status":"published","published":"2021-07-26T21:19:37Z","modified":"2024-08-07T19:44:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:37:58.427757Z"}],"nvd":[{"id":"CVE-2020-8827","description":"As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.","status":"published","published":"2020-04-08T20:15:14.7Z","modified":"2026-06-17T03:27:00.93Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:05:57.678762Z"}],"osv":[{"id":"CVE-2020-8827","description":"As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.","status":"published","published":"2020-04-08T20:15:14.7Z","modified":"2026-10-24T10:30:51.478604117Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:17.663289Z"},{"id":"GHSA-xcqr-9h24-vrgw","title":"Improper Restriction of Excessive Authentication Attempts in Argo API","description":"As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.\n\n### Specific Go Packages Affected\ngithub.com/argoproj/argo-cd/util/cache","status":"published","published":"2021-07-26T21:19:37Z","modified":"2024-08-21T15:58:41.68615Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T15:46:59.835583Z"},{"id":"BIT-argo-cd-2020-8827","description":"As of v1.5.0, the Argo API does not implement anti-automation measures such as rate limiting, account lockouts, or other anti-bruteforce measures. Attackers can submit an unlimited number of authentication attempts without consequence.","status":"published","published":"2024-03-06T10:51:58.067Z","modified":"2024-08-21T15:58:41.68615Z","updated_at":"2026-11-02T15:28:28.267217Z"},{"id":"GO-2022-0892","title":"Improper Restriction of Excessive Authentication Attempts in Argo API in github.com/argoproj/argo-cd","description":"Improper Restriction of Excessive Authentication Attempts in Argo API in github.com/argoproj/argo-cd","status":"published","published":"2024-08-21T15:29:08Z","modified":"2026-03-03T04:52:27.03441Z","updated_at":"2026-11-02T15:47:00.918515Z"}]}}