CVE-2021-20795

Cross-site request forgery (CSRF) vulnerability in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to hijack the authentication of administrators and unintended operations may be performed via unspecified vectors.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://jvn.jp/en/jp/JVN52694228/index.html	Third Party Advisory
https://kb.cybozu.support/article/37422	Vendor Advisory
https://jvn.jp/en/jp/JVN52694228/index.html	Third Party Advisory
https://kb.cybozu.support/article/37422	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:cybozu:remote_service_manager:3.1.8:::::::*
	cpe:2.3:a:cybozu:remote_service_manager:3.1.9:::::::*

History

21 Nov 2024, 05:47

Type	Values Removed	Values Added
References	~~() https://jvn.jp/en/jp/JVN52694228/index.html - Third Party Advisory~~	() https://jvn.jp/en/jp/JVN52694228/index.html - Third Party Advisory
References	~~() https://kb.cybozu.support/article/37422 - Vendor Advisory~~	() https://kb.cybozu.support/article/37422 - Vendor Advisory

Information

Published : 2021-10-13 09:15

Updated : 2024-11-21 05:47

NVD link : CVE-2021-20795

Mitre link : CVE-2021-20795

CVE.ORG link : CVE-2021-20795

JSON object : View

Products Affected

cybozu

remote_service_manager

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

{"id": "CVE-2021-20795", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2021-10-13T09:15:07.593", "references": [{"url": "https://jvn.jp/en/jp/JVN52694228/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://kb.cybozu.support/article/37422", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://jvn.jp/en/jp/JVN52694228/index.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://kb.cybozu.support/article/37422", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-352"}]}], "descriptions": [{"lang": "en", "value": "Cross-site request forgery (CSRF) vulnerability in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to hijack the authentication of administrators and unintended operations may be performed via unspecified vectors."}, {"lang": "es", "value": "Una vulnerabilidad de tipo cross-site request forgery (CSRF) en la pantalla de administraci\u00f3n de Cybozu Remote Service versiones 3.1.8 hasta 3.1.9, permite a un atacante remoto secuestrar la autenticaci\u00f3n de los administradores y pueden llevarse a cabo operaciones no deseadas por medio de vectores no especificados"}], "lastModified": "2024-11-21T05:47:12.080", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cybozu:remote_service_manager:3.1.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9219597-06C9-4D4C-A5CB-C5B8CDB0C2C8"}, {"criteria": "cpe:2.3:a:cybozu:remote_service_manager:3.1.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2DEC9D57-563E-4C78-83C3-967ACED941CD"}], "operator": "OR"}]}], "sourceIdentifier": "vultures@jpcert.or.jp"}

8.8 /10