CVE-2021-20634

Improper access control vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Custom App via unspecified vectors.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:N/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://jvn.jp/en/jp/JVN45797538/index.html	Third Party Advisory
https://kb.cybozu.support/article/36865/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cybozu:office:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-03-18 01:15

Updated : 2022-06-28 14:11

NVD link : CVE-2021-20634

Mitre link : CVE-2021-20634

CVE.ORG link : CVE-2021-20634

JSON object : View

Products Affected

cybozu

office

CWE

NVD-CWE-Other

{"id": "CVE-2021-20634", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2021-03-18T01:15:12.247", "references": [{"url": "https://jvn.jp/en/jp/JVN45797538/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://kb.cybozu.support/article/36865/", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "Improper access control vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Custom App via unspecified vectors."}, {"lang": "es", "value": "Una vulnerabilidad de control de acceso inapropiado en Custom App de Cybozu Office versiones 10.0.0 hasta 10.8.4, permite a atacantes autenticados omitir la restricci\u00f3n de acceso y obtener la fecha de Custom App por medio de vectores no especificados"}], "lastModified": "2022-06-28T14:11:45.273", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cybozu:office:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A468F5BE-4EB2-464F-AE29-D0C98163C410", "versionEndIncluding": "10.8.4", "versionStartIncluding": "10.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "vultures@jpcert.or.jp"}