CVE-2021-1311

{"id": "CVE-2021-1311", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "ykramarz@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "published": "2021-01-13T22:15:21.630", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-brutef-hostkey-FWRMxVF", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-307"}]}, {"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-307"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in the reclaim host role feature of Cisco Webex Meetings and Cisco Webex Meetings Server could allow an authenticated, remote attacker to take over the host role during a meeting. This vulnerability is due to a lack of protection against brute forcing of the host key. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Webex Meetings Server site. A successful exploit would require the attacker to have access to join a Webex meeting, including applicable meeting join links and passwords. A successful exploit could allow the attacker to acquire or take over the host role for a meeting."}, {"lang": "es", "value": "Una vulnerabilidad en la funcionalidad reclaim host role de host de Cisco Webex Meetings y Cisco Webex Meetings Server, podr\u00eda permitir a un atacante remoto autenticado se haga cargo de la funci\u00f3n de host durante una reuni\u00f3n. Esta vulnerabilidad se debe a la falta de protecci\u00f3n contra la fuerza bruta de la clave del host. Un atacante podr\u00eda explotar esta vulnerabilidad enviando solicitudes dise\u00f1adas a un sitio vulnerable de Cisco Webex Meetings o Webex Meetings Server. Una explotaci\u00f3n con \u00e9xito requerir\u00eda que el atacante tuviera acceso para unirse a una reuni\u00f3n de Webex, incluidos los v\u00ednculos y las contrase\u00f1as correspondientes para unirse a la reuni\u00f3n. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante adquirir o asumir el rol de anfitri\u00f3n de una reuni\u00f3n."}], "lastModified": "2024-04-11T13:25:09.570", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:webex_meetings:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7F9AE91-0588-4752-A061-E66378DDD1C8", "versionEndExcluding": "40.12.0"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE22BE9B-374E-43DC-BA91-E3B9699A4C7C", "versionEndExcluding": "3.0"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:3.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "61D1081F-87E8-4E8B-BEBD-0F239E745586"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_release1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8D138973-02B0-4FEC-A646-FF1278DA1EDF"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_release2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30B55A5B-8C5E-4ECB-9C85-A8A3A3030850"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_release3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "14DBEC10-0641-441C-BE15-8F72C1762DCE"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:3.0:maintenance_release4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4646849B-8190-4798-833C-F367E28C1881"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:4.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4D6CF856-093A-4E89-A71D-50A2887C265B"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_release1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B36A9043-0621-43CD-BFCD-66529F937859"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_release2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8842B42E-C412-4356-9F54-DFC53B683D3E"}, {"criteria": "cpe:2.3:a:cisco:webex_meetings_server:4.0:maintenance_release3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D25BC647-C569-46E5-AD45-7E315EBEB784"}], "operator": "OR"}]}], "sourceIdentifier": "ykramarz@cisco.com"}