CVE-2020-5541

Name: CVE-2020-5541
Creator: NVD / NIST
Published: 2020-08-25T03:15:09.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.39%

Last modified Jun 17, 2026

CVE-2020-5541 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.39%

68.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Cybersolutions	Cybermail	6.0
Cybersolutions	Cybermail	7.0

References

https://gist.github.com/tonykuo76/ffdaa7bfabf2205dc5bac010eee38509Third Party Advisory
https://jvn.jp/en/jp/JVN46258789/Third Party Advisory
https://sup.cybersolutions.co.jp/otrs/customer.pl?Action=CustomerFAQZoom%3BItemID=985
https://www.chtsecurity.com/news/cf5742f8-a676-43c2-a8b9-bff17f452823Third Party Advisory
https://gist.github.com/tonykuo76/ffdaa7bfabf2205dc5bac010eee38509Third Party Advisory
https://jvn.jp/en/jp/JVN46258789/Third Party Advisory
https://sup.cybersolutions.co.jp/otrs/customer.pl?Action=CustomerFAQZoom%3BItemID=985
https://www.chtsecurity.com/news/cf5742f8-a676-43c2-a8b9-bff17f452823Third Party Advisory

Timeline

Published: Aug 25, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5541?

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.

How severe is CVE-2020-5541?

CVE-2020-5541 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5541?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5541?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST