CVE-2020-27720

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://support.f5.com/csp/article/K04048104", "name": "https://support.f5.com/csp/article/K04048104", "tags": ["Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "On BIG-IP LTM/CGNAT version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when processing NAT66 traffic with Port Block Allocation (PBA) mode and SP-DAG enabled, and dag-ipv6-prefix-len configured with a value less than the default of 128, an undisclosed traffic pattern may cause the Traffic Management Microkernel (TMM) to restart."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-27720", "ASSIGNER": "f5sirt@f5.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2020-12-24T16:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "13.1.3", "versionStartIncluding": "13.1.0"}, {"cpe23Uri": "cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.1.3.1", "versionStartIncluding": "14.1.0"}, {"cpe23Uri": "cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "15.1.1", "versionStartIncluding": "15.1.0"}, {"cpe23Uri": "cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "16.0.1", "versionStartIncluding": "16.0.0"}, {"cpe23Uri": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "13.1.3", "versionStartIncluding": "13.1.0"}, {"cpe23Uri": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "14.1.3.1", "versionStartIncluding": "14.1.0"}, {"cpe23Uri": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "15.1.1", "versionStartIncluding": "15.1.0"}, {"cpe23Uri": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "16.0.1", "versionStartIncluding": "16.0.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-12-28T17:25Z"}