CVE-2020-5541
CVE-2020-5541 is a medium-severity vulnerability in Cybersolutions Cybermail with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Cybersolutions Cybermail
- Published:
- Last modified:
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.
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 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-5541 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5541?
- CVE-2020-5541 primarily affects Cybersolutions Cybermail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-5541?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5541 published?
- CVE-2020-5541 was published on 2020-08-25 and last updated on 2026-06-17.
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
Affected products (2)
- cpe:2.3:a:cybersolutions:cybermail:6.0:*:*:*:*:*:*:*
- cpe:2.3:a:cybersolutions:cybermail:7.0:*:*:*:*:*:*:*
More vulnerabilities in Cybersolutions Cybermail
- CVE-2020-5540 — Medium (CVSS 6.1): Cross-site scripting vulnerability in CyberMail Ver.6.x and Ver.7.x allows remote attackers to inject arbitrary script…
- CVE-2020-11734 — Medium (CVSS 6.1): cgi-bin/go in CyberSolutions CyberMail 5 or later allows XSS via the ACTION parameter.
All CVEs affecting Cybersolutions Cybermail →
Other CWE-601 (Open Redirect) vulnerabilities
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