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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/mher/flower
- https://github.com/mher/flower/blob/v2.1.0/flower/api/control.py#L25-L27
- https://github.com/mher/flower/commit/3b2115af7f9c42bd2da2fbcbd919f77013e9ec51
- https://github.com/mher/flower/commit/a14408b16cc3d2877d36659005ce0d72b6162629
- https://github.com/mher/flower/issues/1217
- https://www.vulncheck.com/advisories/flower-before-2.2.0-csrf-via-worker-and-task-control-api-endpoints
CWEs
CWE-352
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.