cve-2021-1536
Vulnerability from cvelistv5
Published
2021-06-04 16:45
Modified
2024-11-07 22:09
Severity ?
EPSS score ?
Summary
Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Cisco | Cisco Webex Teams |
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To exploit this vulnerability, the attacker must have valid credentials on the Windows system. This vulnerability is due to incorrect handling of directory paths at run time. An attacker could exploit this vulnerability by inserting a configuration file in a specific path in the system, which can cause a malicious DLL file to be loaded when the application starts. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of another user account." } ], "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_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-427", "description": "CWE-427", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-06-04T16:45:45", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "20210602 Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-dll-inject-XNmcSGTU" } ], "source": { "advisory": "cisco-sa-webex-dll-inject-XNmcSGTU", "defect": [ [ "CSCvw48667", "CSCvw79311", "CSCvw79321" ] ], "discovery": "INTERNAL" }, "title": "Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2021-06-02T16:00:00", "ID": "CVE-2021-1536", "STATE": "PUBLIC", "TITLE": "Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco Webex Teams", "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 Cisco Webex Meetings Desktop App for Windows, Cisco Webex Meetings Server, Cisco Webex Network Recording Player for Windows, and Cisco Webex Teams for Windows could allow an authenticated, local attacker to perform a DLL injection attack on an affected device. To exploit this vulnerability, the attacker must have valid credentials on the Windows system. This vulnerability is due to incorrect handling of directory paths at run time. An attacker could exploit this vulnerability by inserting a configuration file in a specific path in the system, which can cause a malicious DLL file to be loaded when the application starts. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of another user account." } ] }, "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": "4.8", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-427" } ] } ] }, "references": { "reference_data": [ { "name": "20210602 Cisco Webex Meetings, Webex Network Recording Player, and Webex Teams DLL Injection Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-dll-inject-XNmcSGTU" } ] }, "source": { "advisory": "cisco-sa-webex-dll-inject-XNmcSGTU", "defect": [ [ "CSCvw48667", "CSCvw79311", "CSCvw79321" ] ], "discovery": "INTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2021-1536", "datePublished": "2021-06-04T16:45:45.378447Z", "dateReserved": "2020-11-13T00:00:00", "dateUpdated": "2024-11-07T22:09:47.292Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-1536\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2021-06-04T17:15:09.150\",\"lastModified\":\"2023-11-07T03:28:33.843\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in Cisco Webex Meetings Desktop App for Windows, Cisco Webex Meetings Server, Cisco Webex Network Recording Player for Windows, and Cisco Webex Teams for Windows could allow an authenticated, local attacker to perform a DLL injection attack on an affected device. To exploit this vulnerability, the attacker must have valid credentials on the Windows system. This vulnerability is due to incorrect handling of directory paths at run time. An attacker could exploit this vulnerability by inserting a configuration file in a specific path in the system, which can cause a malicious DLL file to be loaded when the application starts. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of another user account.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en Cisco Webex Meetings Desktop App para Windows, Cisco Webex Meetings Server, Cisco Webex Network Recording Player para Windows y Cisco Webex Teams para Windows, podr\u00eda permitir a un atacante local autenticado llevar a cabo un ataque de inyecci\u00f3n de DLL en un dispositivo afectado. Para explotar esta vulnerabilidad, el atacante debe tener credenciales v\u00e1lidas en el sistema Windows. Esta vulnerabilidad es debido a un manejo incorrecto de las rutas de directorio en tiempo de ejecuci\u00f3n. Un atacante podr\u00eda explotar esta vulnerabilidad al insertar un archivo de configuraci\u00f3n en una ruta espec\u00edfica del sistema, lo que puede causar que se cargue un archivo DLL malicioso cuando se inicie la aplicaci\u00f3n. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante ejecutar c\u00f3digo arbitrario en el sistema afectado con los privilegios de otra cuenta de usuario\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\",\"baseScore\":4.8,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.3,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:C/I:C/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":6.9},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-427\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:webex_meetings_desktop:-:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"B13F932E-8877-44C0-8EDC-C75F14C2809B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:webex_meetings_online:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F0B47441-8048-4544-86A8-611DA68398A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:webex_meetings_server:4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F12AF70E-2201-4F5D-A929-A1A057B74252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:webex_network_recording_player:-:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"A34EE1A3-F564-4B28-A252-1E0AD53B2B61\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:webex_teams:3.0.15485.0:*:*:*:*:windows:*:*\",\"matchCriteriaId\":\"F367BA7A-1DA0-4E31-BFB5-CC988E7DF3CA\"}]}]}],\"references\":[{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-dll-inject-XNmcSGTU\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
---|
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.