Japan Vulnerability NotesJVN:07148816JVN#07148816: Multiple access restriction bypass vulnerabilities in Cybozu Office
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
Percentile
51.4%
Cybozu Office contains multiple access restriction bypass vulnerabilities below.
Access restriction bypass in the “Project” function - CVE-2016-4867
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | Base Score: 4.3 |
| CVSS v2 | AV:N/AC:L/Au:S/C:P/I:N/A:N | Base Score: 4.0 |
Browse restriction bypass in the breadcrumb trail - CVE-2016-4872
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | Base Score: 4.3 |
| CVSS v2 | AV:N/AC:L/Au:S/C:P/I:N/A:N | Base Score: 4.0 |
Operation restriction bypass in the “Project” function - CVE-2016-4873
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N | Base Score: 4.3 |
| CVSS v2 | AV:N/AC:L/Au:S/C:N/I:P/A:N | Base Score: 4.0 |
Impact
A user may view the information in closed projects. (CVE-2016-4867)
A user may view the names of closed projects. (CVE-2016-4872)
A user may alter the project information which the user does not have permission to access. (CVE-2016-4873)
Solution
Update the Software
Update to the latest version according to the information provided by the developer.
Products Affected
- Cybozu Office 9.0.0 to 10.4.0
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
Percentile
51.4%