CVE-2016-4841
Cybozu Mailwise before 5.4.0 allows remote attackers to inject arbitrary email headers.
CVE-2016-4841 is a medium vulnerability (CVSS 4.3) in Cybozu Mailwise, published April 21, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.48%, the 73rd percentile. No source names a fixed version.
Cybozu Mailwise before 5.4.0 allows remote attackers to inject arbitrary email headers.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
4.3
Cybozu Mailwise before 5.4.0 allows remote attackers to inject arbitrary email headers.
- Record
CVE-2016-4841- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Cybozu Mailwise before 5.4.0 allows remote attackers to inject arbitrary email headers.
- Record
CVE-2016-4841- Updated
- 2026-11-02
EUVDEUVD-2016-5823 No score
Cybozu Mailwise before 5.4.0 allows remote attackers to inject arbitrary email headers.
- Record
EUVD-2016-5823- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jx5h-5gj9-qx78
4.3
Cybozu Mailwise before 5.4.0 allows remote attackers to inject arbitrary email headers.
Cybozu Mailwise before 5.4.0 allows remote attackers to inject arbitrary email headers.
- Record
GHSA-jx5h-5gj9-qx78- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |