CVE-2021-1277

Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) could allow an attacker to spoof a trusted host or construct a man-in-the-middle attack to extract sensitive information or alter certain API requests. These vulnerabilities are due to insufficient certificate validation when establishing HTTPS requests with the affected device. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS v3 7.5 HIGH
CVSS v2.0 5.8 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3	Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cisco:data_center_network_manager:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:43

Type	Values Removed	Values Added
References	~~() https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3 - Vendor Advisory~~	() https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3 - Vendor Advisory
CVSS	v2 : ~~5.8~~ v3 : ~~6.5~~	v2 : 5.8 v3 : 7.5

Information

Published : 2021-01-20 20:15

Updated : 2024-11-21 05:43

NVD link : CVE-2021-1277

Mitre link : CVE-2021-1277

CVE.ORG link : CVE-2021-1277

JSON object : View

Products Affected

cisco

data_center_network_manager

CWE

CWE-295

Improper Certificate Validation

{"id": "CVE-2021-1277", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "ykramarz@cisco.com", "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:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.2}]}, "published": "2021-01-20T20:15:16.110", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}, {"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) could allow an attacker to spoof a trusted host or construct a man-in-the-middle attack to extract sensitive information or alter certain API requests. These vulnerabilities are due to insufficient certificate validation when establishing HTTPS requests with the affected device. For more information about these vulnerabilities, see the Details section of this advisory."}, {"lang": "es", "value": "M\u00faltiples vulnerabilidades en Cisco Data Center Network Manager (DCNM), podr\u00edan permitir a un atacante falsificar un host confiable o construir un ataque de tipo man-in-the-middle para extraer informaci\u00f3n confidencial o alterar determinadas peticiones de la API. Estas vulnerabilidades son debido a una comprobaci\u00f3n de certificados insuficiente cuando se establecen peticiones HTTPS con el dispositivo afectado. Para m\u00e1s informaci\u00f3n sobre estas vulnerabilidades, consulte la secci\u00f3n Detalles de este aviso"}], "lastModified": "2024-11-21T05:43:59.347", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:data_center_network_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF576422-7AFB-49D1-AAEE-ED6759A011C8", "versionEndExcluding": "11.5\\(1\\)"}], "operator": "OR"}]}], "sourceIdentifier": "ykramarz@cisco.com"}