cve-2020-3482
Vulnerability from cvelistv5
Published
2020-11-18 17:41
Modified
2024-11-13 17:37
Severity ?
EPSS score ?
Summary
Cisco Expressway Software Unauthorized Access Information Disclosure Vulnerability
References
Impacted products
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The vulnerability is due to improper validation of specific connection information by the TURN server within the affected software. An attacker could exploit this issue by sending specially crafted network traffic to the affected software. A successful exploit could allow the attacker to send traffic through the affected software to destinations beyond the application, possibly allowing the attacker to gain unauthorized network access." } ], "exploits": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "metrics": [ { "cvssV3_0": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.0" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-284", "description": "CWE-284", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2020-11-18T17:41:26", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "20201118 Cisco Expressway Software Unauthorized Access Information Disclosure Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-Expressway-8J3yZ7hV" } ], "source": { "advisory": "cisco-sa-Expressway-8J3yZ7hV", "defect": [ [ "CSCvt83751" ] ], "discovery": "INTERNAL" }, "title": "Cisco Expressway Software Unauthorized Access Information Disclosure Vulnerability", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2020-11-18T16:00:00", "ID": "CVE-2020-3482", "STATE": "PUBLIC", "TITLE": "Cisco Expressway Software Unauthorized Access Information Disclosure Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco TelePresence Video Communication Server (VCS) Expressway", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in the Traversal Using Relays around NAT (TURN) server component of Cisco Expressway software could allow an unauthenticated, remote attacker to bypass security controls and send network traffic to restricted destinations. The vulnerability is due to improper validation of specific connection information by the TURN server within the affected software. An attacker could exploit this issue by sending specially crafted network traffic to the affected software. A successful exploit could allow the attacker to send traffic through the affected software to destinations beyond the application, possibly allowing the attacker to gain unauthorized network access." } ] }, "exploit": [ { "lang": "en", "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "impact": { "cvss": { "baseScore": "6.5", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-284" } ] } ] }, "references": { "reference_data": [ { "name": "20201118 Cisco Expressway Software Unauthorized Access Information Disclosure Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-Expressway-8J3yZ7hV" } ] }, "source": { "advisory": "cisco-sa-Expressway-8J3yZ7hV", "defect": [ [ "CSCvt83751" ] ], "discovery": "INTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2020-3482", "datePublished": "2020-11-18T17:41:26.622018Z", "dateReserved": "2019-12-12T00:00:00", "dateUpdated": "2024-11-13T17:37:39.725Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2020-3482\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2020-11-18T19:15:12.697\",\"lastModified\":\"2020-12-02T16:57:00.417\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Traversal Using Relays around NAT (TURN) server component of Cisco Expressway software could allow an unauthenticated, remote attacker to bypass security controls and send network traffic to restricted destinations. 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A successful exploit could allow the attacker to send traffic through the affected software to destinations beyond the application, possibly allowing the attacker to gain unauthorized network access.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el componente servidor Traversal Using Relays around NAT (TURN) del software Cisco Expressway, podr\u00eda permitir a un atacante remoto no autenticado omitir los controles de seguridad y enviar tr\u00e1fico de red hacia destinos restringidos.\u0026#xa0;La vulnerabilidad es debido a una comprobaci\u00f3n inapropiada de la informaci\u00f3n de conexi\u00f3n espec\u00edfica por parte del servidor TURN dentro del software afectado.\u0026#xa0;Un atacante podr\u00eda explotar este problema mediante el env\u00edo de tr\u00e1fico de red especialmente dise\u00f1ado al software afectado.\u0026#xa0;Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante enviar tr\u00e1fico por medio del software afectado a destinos m\u00e1s all\u00e1 de la aplicaci\u00f3n, posiblemente permitiendo al atacante conseguir acceso no autorizado a la red\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":2.5}],\"cvssMetricV30\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":3.9,\"impactScore\":2.5}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":6.4},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:expressway:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"x12.6.3\",\"matchCriteriaId\":\"D3F79721-8B07-4843-A265-D8FC85FC9DC3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:telepresence_video_communication_server:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"x12.6.3\",\"matchCriteriaId\":\"D63A3260-C96C-4413-8000-AE650038AD85\"}]}]}],\"references\":[{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-Expressway-8J3yZ7hV\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.