CVE-2021-42074

{"id": "CVE-2021-42074", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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}]}, "published": "2021-11-08T04:15:08.547", "references": [{"url": "http://www.openwall.com/lists/oss-security/2021/11/02/4", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/debauchee/barrier/releases/tag/v2.3.4", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Barrier before 2.3.4. An unauthenticated attacker can cause a segmentation fault in the barriers component (aka the server-side implementation of Barrier) by quickly opening and closing TCP connections while sending a Hello message for each TCP session."}, {"lang": "es", "value": "Se ha detectado un problema en Barrier versiones anteriores a 2.3.4. Un atacante no autenticado puede causar un fallo de segmentaci\u00f3n en el componente de barreras (tambi\u00e9n conocido como la implementaci\u00f3n del lado del servidor de Barrier) al abrir y cerrar r\u00e1pidamente las conexiones TCP mientras env\u00eda un mensaje Hello para cada sesi\u00f3n TCP"}], "lastModified": "2021-11-09T22:00:27.560", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:barrier_project:barrier:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6C0BAE9-F93E-42B3-8E3A-54B3FCA5D4B9", "versionEndExcluding": "2.3.4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}