CVE-2016-4867 : Cybozu Office 9.0.0 to 10.4.0 allows remote authenticated attackers to bypass ac

Cybozu Office 9.0.0 to 10.4.0 allows remote authenticated attackers to bypass access restriction to view unauthorized project information via the Project function.

Published 2017-04-17 15:59:00

Updated 2017-05-23 01:29:02

Source JPCERT/CC

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2016-4867

Cybozu » Office » Version: 9.0
cpe:2.3:a:cybozu:office:9.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.9.0
cpe:2.3:a:cybozu:office:9.9.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.0.0
cpe:2.3:a:cybozu:office:10.0.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.3.1
cpe:2.3:a:cybozu:office:9.3.1:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.2.1
cpe:2.3:a:cybozu:office:9.2.1:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.2.0
cpe:2.3:a:cybozu:office:9.2.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.1.0
cpe:2.3:a:cybozu:office:9.1.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.2.0
cpe:2.3:a:cybozu:office:10.2.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.1.2
cpe:2.3:a:cybozu:office:10.1.2:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.1.0
cpe:2.3:a:cybozu:office:10.1.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.0.2
cpe:2.3:a:cybozu:office:10.0.2:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.0.1
cpe:2.3:a:cybozu:office:10.0.1:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.3.0
cpe:2.3:a:cybozu:office:10.3.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.3.2
cpe:2.3:a:cybozu:office:9.3.2:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 9.3.0
cpe:2.3:a:cybozu:office:9.3.0:*:*:*:*:*:*:*
Matching versions
Cybozu » Office » Version: 10.4.0
cpe:2.3:a:cybozu:office:10.4.0:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-4867

EPSS FAQ

0.14%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 48 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-4867

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:P/I:N/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
4.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2016-4867

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-4867

http://jvn.jp/en/jp/JVN07148816/index.html

JVN#07148816: Multiple access restriction bypass vulnerabilities in Cybozu Office
Third Party Advisory;VDB Entry

CVEs referencing this url
http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000187.html

JVNDB-2016-000187 - JVN iPedia
Third Party Advisory;VDB Entry
http://www.securityfocus.com/bid/93461

Cybozu Office Multiple Security Bypass Vulnerabilities
Third Party Advisory;VDB Entry

CVEs referencing this url
https://support.cybozu.com/ja-jp/article/9429

不具合情報公開サイト
Vendor Advisory

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Vulnerability Details : CVE-2016-4867

Products affected by CVE-2016-4867

Exploit prediction scoring system (EPSS) score for CVE-2016-4867

CVSS scores for CVE-2016-4867

CWE ids for CVE-2016-4867

References for CVE-2016-4867