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CVE-2016-4843

23
FAUCET Score

CVE-2016-4843 describes a vulnerability in Cybozu Mailwise versions prior to 5.4.0, allowing remote attackers to obtain sensitive cookie information. This medium-severity vulnerability (CVSS 6.5) requires user interaction and could lead to high confidentiality impact, but has no integrity or availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.0.0CPE matchmatch criteria
cpe:2.3:a:cybozu:mailwise:5.0.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:cybozu:mailwise:5.0.1:*:*:*:*:*:*:*
5.0.4CPE matchmatch criteria
cpe:2.3:a:cybozu:mailwise:5.0.4:*:*:*:*:*:*:*
5.0.5CPE matchmatch criteria
cpe:2.3:a:cybozu:mailwise:5.0.5:*:*:*:*:*:*:*
5.0.6CPE matchmatch criteria
cpe:2.3:a:cybozu:mailwise:5.0.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

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

Exploit Intelligence

EPSS Score
1.89%
Probability of exploitation in next 30 days
EPSS Percentile
77.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0189 is in the 89th percentile among its peer group of 26,208 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

jvndb.jvn.jp / en/contents/2016/JVNDB-2016-000137.html
VDB Entry
jvn.jp / en/jp/JVN03052683/index.html
Third Party AdvisoryVDB Entry
support.cybozu.com / ja-jp/article/9654
Vendor Advisory
securityfocus.com / bid/92461
Third Party AdvisoryVDB Entry