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CVE-2016-7815

18
FAUCET Score

CVE-2016-7815 describes a vulnerability in Cybozu Remote Service Manager versions 3.0.0 to 3.1.4, where the software fails to verify client certificates. This flaw allows remote attackers to gain unauthorized access to systems on the network. The vulnerability has a CVSS score of 4.2 (MEDIUM), indicating a network-based attack with high attack complexity, low privileges required, and potential for low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.0CPE matchmatch criteria
cpe:2.3:a:cybozu:remote_service_manager:3.0.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:cybozu:remote_service_manager:3.0.1:*:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:cybozu:remote_service_manager:3.1.0:*:*:*:*:*:*:*
3.1.1CPE matchmatch criteria
cpe:2.3:a:cybozu:remote_service_manager:3.1.1:*:*:*:*:*:*:*
3.1.2CPE matchmatch criteria
cpe:2.3:a:cybozu:remote_service_manager:3.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.2MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
2.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 29th percentile among its peer group of 1,425 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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

jvn.jp / en/jp/JVN19241292/index.html
Third Party AdvisoryVDB Entry
support.cybozu.com / ja-jp/article/9689
Vendor Advisory
securityfocus.com / bid/95379
Third Party AdvisoryVDB Entry