{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-51020", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-12T19:27:45.482Z", "datePublished": "2026-10-12T20:55:06.611Z", "dateUpdated": "2026-10-12T20:55:06.611Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-12T20:55:06.611Z"}, "datePublic": "2022-05-26T00:00:00.000Z", "title": "Flower before 2.2.0 CSRF via Worker and Task Control API Endpoints", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Cross-Site Request Forgery (CSRF)", "cweId": "CWE-352", "type": "CWE"}]}], "affected": [{"vendor": "mher", "product": "flower", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2.2.0"}, {"version": "2.2.0", "status": "unaffected", "versionType": "semver"}], "packageURL": "pkg:pypi/flower", "repo": "https://github.com/mher/flower"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:flower_project:flower:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.2.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/mher/flower/issues/1217", "tags": ["issue-tracking"], "name": "GitHub Issue #1217"}, {"url": "https://github.com/mher/flower/commit/a14408b16cc3d2877d36659005ce0d72b6162629", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/mher/flower/commit/3b2115af7f9c42bd2da2fbcbd919f77013e9ec51", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/mher/flower/blob/v2.1.0/flower/api/control.py#L25-L27", "tags": ["technical-description"], "name": "Vulnerable code in flower/api/control.py"}, {"url": "https://github.com/mher/flower", "tags": ["product"]}, {"name": "VulnCheck Advisory: Flower before 2.2.0 CSRF via Worker and Task Control API Endpoints", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/flower-before-2.2.0-csrf-via-worker-and-task-control-api-endpoints"}], "credits": [{"lang": "en", "value": "Fawwaz Musaffa", "type": "finder"}, {"lang": "en", "value": "tprynn", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:pypi/flower", "product": "flower", "repo": "https://github.com/mher/flower", "vendor": "mher", "versions": [{"lessThan": "2.2.0", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "2.2.0", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2022-51020", "lastModified": "2026-10-12T21:17:06.227", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 4.2, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.0, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-12T21:17:06.227", "references": [{"source": "[email protected]", "url": "https://github.com/mher/flower"}, {"source": "[email protected]", "url": "https://github.com/mher/flower/blob/v2.1.0/flower/api/control.py#L25-L27"}, {"source": "[email protected]", "url": "https://github.com/mher/flower/commit/3b2115af7f9c42bd2da2fbcbd919f77013e9ec51"}, {"source": "[email protected]", "url": "https://github.com/mher/flower/commit/a14408b16cc3d2877d36659005ce0d72b6162629"}, {"source": "[email protected]", "url": "https://github.com/mher/flower/issues/1217"}, {"source": "[email protected]", "url": "https://www.vulncheck.com/advisories/flower-before-2.2.0-csrf-via-worker-and-task-control-api-endpoints"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "[email protected]", "type": "Primary"}]}

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