Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2016-4871

23
FAUCET Score

CVE-2016-4871 is a denial-of-service vulnerability affecting Cybozu Office versions 9.0.0 through 10.4.0. This medium-severity vulnerability (CVSS 6.5) can be exploited remotely with low complexity and requires low privileges, leading to a high impact on availability. There is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
9.0CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.0:*:*:*:*:*:*:*
9.1.0CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.1.0:*:*:*:*:*:*:*
9.2.0CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.2.0:*:*:*:*:*:*:*
9.2.1CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.2.1:*:*:*:*:*:*:*
9.3.0CPE matchmatch criteria
cpe:2.3:a:cybozu:office:9.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.27%
Probability of exploitation in next 30 days
EPSS Percentile
81.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0226 is in the 93rd percentile among its peer group of 21,951 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 0.0 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 / en/contents/2016/JVNDB-2016-000192.html
Third Party AdvisoryVDB Entry
jvn.jp / en/jp/JVN10092452/index.html
Third Party AdvisoryVDB Entry
support.cybozu.com / ja-jp/article/9426
Vendor Advisory
securityfocus.com / bid/97716
Third Party AdvisoryVDB Entry