What’s Vulnerable › Vulnerabilities

CVE-2020-5541

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-25 · updated 2026-06-17
• Weakness: CWE-601

Description

Open redirect vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to redirect users to arbitrary sites and conduct phishing attacks via a specially crafted URL.

Affected products

• CyberSolutions Inc. CyberMail: 6.0, 7.0

References

• https://gist.github.com/tonykuo76/ffdaa7bfabf2205dc5bac010eee38509
• https://jvn.jp/en/jp/JVN46258789/
• https://sup.cybersolutions.co.jp/otrs/customer.pl?Action=CustomerFAQZoom%3BItemID=985
• https://www.chtsecurity.com/news/cf5742f8-a676-43c2-a8b9-bff17f452823
• https://gist.github.com/tonykuo76/ffdaa7bfabf2205dc5bac010eee38509
• https://jvn.jp/en/jp/JVN46258789/
• https://sup.cybersolutions.co.jp/otrs/customer.pl?Action=CustomerFAQZoom%3BItemID=985
• https://www.chtsecurity.com/news/cf5742f8-a676-43c2-a8b9-bff17f452823

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