What’s Vulnerable › Vulnerabilities

CVE-2016-4841

• Severity: medium (CVSS 4.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-21 · updated 2026-06-17
• Weakness: CWE-20

Description

Cybozu Mailwise before 5.4.0 allows remote attackers to inject arbitrary email headers.

Affected products

• Cybozu, Inc. Cybozu Mailwise: 5.0.0, 5.0.1, 5.0.4, 5.0.5, 5.0.6, 5.1.0 (+8)

References

• http://jvn.jp/en/jp/JVN01353821/index.html
• http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000135.html
• http://www.securityfocus.com/bid/92459
• https://support.cybozu.com/ja-jp/article/9607
• http://jvn.jp/en/jp/JVN01353821/index.html
• http://jvndb.jvn.jp/en/contents/2016/JVNDB-2016-000135.html
• http://www.securityfocus.com/bid/92459
• https://support.cybozu.com/ja-jp/article/9607

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