{ "id": "CVE-2020-26887", "sourceIdentifier": "cve@mitre.org", "published": "2020-10-23T05:15:13.517", "lastModified": "2020-11-03T01:36:21.530", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "FRITZ!OS before 7.21 on FRITZ!Box devices allows a bypass of a DNS Rebinding protection mechanism." }, { "lang": "es", "value": "FRITZ! OS versiones anteriores a 7.21, en dispositivos FRITZ!Box, permite una omisi\u00f3n de un mecanismo de protecci\u00f3n de DNS Rebinding" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 4.6 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:avm:fritz\\!box_7490_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.21", "matchCriteriaId": "934A7A01-B790-42A9-8A91-4D48B94D5081" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:avm:fritz\\!box_7490:-:*:*:*:*:*:*:*", "matchCriteriaId": "409B1299-4F29-45EC-B93B-2EB0001125C4" } ] } ] } ], "references": [ { "url": "http://packetstormsecurity.com/files/159606/FRITZ-Box-7.20-DNS-Rebinding-Protection-Bypass.html", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory", "VDB Entry" ] }, { "url": "https://en.avm.de/news/", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }