CVE-2021-22976

{"containers": {"cna": {"affected": [{"product": "BIG-IP Advanced WAF & BIG-IP ASM", "vendor": "n/a", "versions": [{"status": "affected", "version": "16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions"}]}], "descriptions": [{"lang": "en", "value": "On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated."}], "problemTypes": [{"descriptions": [{"description": "DoS", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-02-12T17:43:49.000Z", "orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab", "shortName": "f5"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://support.f5.com/csp/article/K88230177"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "f5sirt@f5.com", "ID": "CVE-2021-22976", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "BIG-IP Advanced WAF & BIG-IP ASM", "version": {"version_data": [{"version_value": "16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "DoS"}]}]}, "references": {"reference_data": [{"name": "https://support.f5.com/csp/article/K88230177", "refsource": "MISC", "url": "https://support.f5.com/csp/article/K88230177"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:58:26.167Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://support.f5.com/csp/article/K88230177"}]}]}, "cveMetadata": {"assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab", "assignerShortName": "f5", "cveId": "CVE-2021-22976", "datePublished": "2021-02-12T17:43:49.000Z", "dateReserved": "2021-01-06T00:00:00.000Z", "dateUpdated": "2024-08-03T18:58:26.167Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "BIG-IP Advanced WAF & BIG-IP ASM", "vendor": "n/a", "versions": [{"status": "affected", "version": "16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions"}]}], "source": "f5sirt@f5.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "matchCriteriaId": "322AA283-E494-45E0-975E-2725E2FCC2DE", "versionEndIncluding": "12.1.5", "versionStartIncluding": "12.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "matchCriteriaId": "39DDA652-065C-4AF9-A014-E0DAFF60B61B", "versionEndExcluding": "13.1.3.6", "versionStartIncluding": "13.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "matchCriteriaId": "BF641654-BDC0-4483-B6BA-D5566427E5C5", "versionEndExcluding": "14.1.3.1", "versionStartIncluding": "14.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "matchCriteriaId": "6E0224A2-82E3-459A-8BEC-A2FC7B526230", "versionEndExcluding": "15.1.2", "versionStartIncluding": "15.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "matchCriteriaId": "6B9117DA-6AA9-4704-A092-B1D426E6370D", "versionEndExcluding": "16.0.1.1", "versionStartIncluding": "16.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "2E5552A3-91CD-4B97-AD33-4F1FB4C8827A", "versionEndIncluding": "12.1.5", "versionStartIncluding": "12.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "2BF4F8C6-1C43-4A54-9FD6-011253744FC8", "versionEndExcluding": "13.1.3.6", "versionStartIncluding": "13.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "A0B1C52A-361A-46BD-9531-96C69F011EBC", "versionEndExcluding": "14.1.3.1", "versionStartIncluding": "14.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "24B9D974-3C1E-4467-A844-F9FDCD39A7FD", "versionEndExcluding": "15.1.2", "versionStartIncluding": "15.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "7BB77EFF-A064-4475-A93C-5D5BA9313724", "versionEndExcluding": "16.0.1.1", "versionStartIncluding": "16.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated."}, {"lang": "es", "value": "En BIG-IP Advanced WAF y ASM versiones 16.0.x anteriores a 16.0.1.1, versiones 15.1.x anteriores 15.1.2, versiones 14.1.x anteriores a 14.1.3.1, versiones 13.1.x anteriores a 13.1.3.6, y todas las versiones 12.1.x, cuando el sistema BIG-IP ASM procesa las peticiones de WebSocket con cargas \u00fatiles JSON, una cantidad inusualmente grande de par\u00e1metros puede causar un uso excesivo de la CPU en el proceso bd de BIG-IP ASM. Nota: No son evaluadas las versiones de software que han alcanzado End of Software Development (EoSD)"}], "id": "CVE-2021-22976", "lastModified": "2026-06-17T03:38:08.320", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-12T18:15:12.610", "references": [{"source": "f5sirt@f5.com", "tags": ["Vendor Advisory"], "url": "https://support.f5.com/csp/article/K88230177"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.f5.com/csp/article/K88230177"}], "sourceIdentifier": "f5sirt@f5.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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