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CVE-2016-1189

20
FAUCET Score

CVE-2016-1189 is a high-severity vulnerability affecting Cybozu Garoon versions 3.x and 4.x prior to 4.2.1, allowing authenticated users to bypass portlet restrictions. With a CVSS score of 8.1, it presents a low-complexity attack vector that can lead to high confidentiality and integrity impacts without user interaction. There is no evidence of active exploitation, and public exploit code is unavailable, though it has garnered some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.0CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.1.0:*:*:*:*:*:*:*
3.1.1CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.1.1:*:*:*:*:*:*:*
3.1.2CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.1.2:*:*:*:*:*:*:*
3.1.3CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.1.3:*:*:*:*:*:*:*
3.5.0CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.23%
Probability of exploitation in next 30 days
EPSS Percentile
65.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0123 is in the 63rd percentile among its peer group of 17,822 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / jvndb/JVNDB-2016-000093
Vendor Advisory
jvn.jp / en/jp/JVN18975349/index.html
Vendor Advisory
garoon.cybozu.co.jp / support/update/package/421sp1.html
support.cybozu.com / ja-jp/article/9020
Vendor Advisory