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CVE-2016-4907

24
FAUCET Score

CVE-2016-4907 describes a Cross-Site Request Forgery (CSRF) token bypass vulnerability affecting Cybozu Garoon versions 3.0.0 through 4.2.2. This high-severity vulnerability (CVSS 8.8) allows remote attackers to obtain CSRF tokens, potentially leading to high impact on confidentiality, integrity, and availability, requiring user interaction but with low attack complexity. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for significant impact warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.0CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.0.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.0.2:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.0.3:*:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:cybozu:garoon:3.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.82%
Probability of exploitation in next 30 days
EPSS Percentile
53.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0082 is in the 55th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/jp/JVN13218253/index.html
Third Party AdvisoryVDB Entry
support.cybozu.com / ja-jp/article/9441
Vendor Advisory
securityfocus.com / bid/94965
Third Party AdvisoryVDB Entry