{"id":"CVE-2022-51020","aliases":["EUVD-2022-56064","GHSA-xg8m-6cg7-cmf8"],"status":"published","title":"Flower before 2.2.0 CSRF via Worker and Task Control API Endpoints","description":"Flower before 2.2.0 contains a cross-site request forgery vulnerability because Tornado xsrf_cookies is disabled and the OAuth session cookie lacks SameSite. Attackers can lure authenticated users to malicious pages that POST to /api/worker/shutdown, /api/worker/pool/restart, or /api/task/revoke to shut down Celery workers, resize pools, and revoke tasks.","severity":{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00144,"percentile":0.03789,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2026-10-12T20:55:06Z","modified":"2026-11-10T12:10:00Z","products":[{"vendor":"mher","product":"flower"}],"references":[{"url":"https://github.com/mher/flower/issues/1217","tags":["issue-tracking","report"]},{"url":"https://github.com/mher/flower/commit/a14408b16cc3d2877d36659005ce0d72b6162629","tags":["patch","fix"]},{"url":"https://github.com/mher/flower/commit/3b2115af7f9c42bd2da2fbcbd919f77013e9ec51","tags":["patch","fix"]},{"url":"https://github.com/mher/flower/blob/v2.1.0/flower/api/control.py#L25-L27","tags":["technical-description","article"]},{"url":"https://github.com/mher/flower","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/flower-before-2.2.0-csrf-via-worker-and-task-control-api-endpoints","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-51020","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xg8m-6cg7-cmf8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/51xxx/CVE-2022-51020.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-51020","title":"Flower before 2.2.0 CSRF via Worker and Task Control API Endpoints","description":"Flower before 2.2.0 contains a cross-site request forgery vulnerability because Tornado xsrf_cookies is disabled and the OAuth session cookie lacks SameSite. Attackers can lure authenticated users to malicious pages that POST to /api/worker/shutdown, /api/worker/pool/restart, or /api/task/revoke to shut down Celery workers, resize pools, and revoke tasks.","status":"published","published":"2026-10-12T20:55:06.611Z","modified":"2026-10-15T13:49:48.409Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:34:27.327929Z"}],"euvd":[{"id":"EUVD-2022-56064","description":"Flower before 2.2.0 contains a cross-site request forgery vulnerability because Tornado xsrf_cookies is disabled and the OAuth session cookie lacks SameSite. Attackers can lure authenticated users to malicious pages that POST to /api/worker/shutdown, /api/worker/pool/restart, or /api/task/revoke to shut down Celery workers, resize pools, and revoke tasks.","status":"published","published":"2026-10-12T20:55:06Z","modified":"2026-10-15T13:49:48Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:00:14.584665Z"}],"ghsa":[{"id":"GHSA-xg8m-6cg7-cmf8","title":"Flower before 2.2.0 contains a cross-site request forgery vulnerability because Tornado...","description":"Flower before 2.2.0 contains a cross-site request forgery vulnerability because Tornado xsrf_cookies is disabled and the OAuth session cookie lacks SameSite. Attackers can lure authenticated users to malicious pages that POST to /api/worker/shutdown, /api/worker/pool/restart, or /api/task/revoke to shut down Celery workers, resize pools, and revoke tasks.","status":"published","published":"2026-10-12T21:31:57Z","modified":"2026-10-12T21:31:58Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"medium"},{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:13:07.940274Z"}],"nvd":[{"id":"CVE-2022-51020","description":"Flower before 2.2.0 contains a cross-site request forgery vulnerability because Tornado xsrf_cookies is disabled and the OAuth session cookie lacks SameSite. Attackers can lure authenticated users to malicious pages that POST to /api/worker/shutdown, /api/worker/pool/restart, or /api/task/revoke to shut down Celery workers, resize pools, and revoke tasks.","status":"published","published":"2026-10-12T21:17:06.227Z","modified":"2026-11-10T12:10:00.177Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-10T14:19:27.112301Z"}],"osv":[{"id":"CVE-2022-51020","title":"Flower before 2.2.0 CSRF via Worker and Task Control API Endpoints","description":"Flower before 2.2.0 contains a cross-site request forgery vulnerability because Tornado xsrf_cookies is disabled and the OAuth session cookie lacks SameSite. Attackers can lure authenticated users to malicious pages that POST to /api/worker/shutdown, /api/worker/pool/restart, or /api/task/revoke to shut down Celery workers, resize pools, and revoke tasks.","status":"published","published":"2026-10-12T20:55:06.611Z","modified":"2026-10-28T02:31:00.449890403Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:44:29.084154Z"}]}}