What’s Vulnerable › Vulnerabilities
CVE-2020-12714
- Severity: medium (CVSS 5.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.0% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-06-11 · updated 2026-06-17
- Weakness: CWE-326
Description
An issue was discovered in CipherMail Community Gateway Virtual Appliances and Professional/Enterprise Gateway Virtual Appliances versions 1.0.1 through 4.7.1-0 and CipherMail Webmail Messenger Virtual Appliances 1.1.1 through 3.1.1-0. A Diffie-Hellman parameter of insufficient size could allow man-in-the-middle compromise of communications between CipherMail products and external SMTP clients.
Affected products
- Ciphermail Gateway: from 1.0.1 through 4.7.1-0
- Ciphermail Webmail Messenger: from 1.1.1 through 3.1.1-0
References
- https://packetstormsecurity.com/files/158001/CipherMail-Community-Virtual-Appliance-4.6.2-Code-Execution.html
- https://www.ciphermail.com/blog/ciphermail-cve-2020-12713_2020-12714.html
- https://www.ciphermail.com/gateway.html
- https://www.ciphermail.com/news.html
- https://www.ciphermail.com/secure-webmail.html
- https://www.coresecurity.com/core-labs/advisories/ciphermail-multiple-vulnerabilities
- https://packetstormsecurity.com/files/158001/CipherMail-Community-Virtual-Appliance-4.6.2-Code-Execution.html
- https://www.ciphermail.com/blog/ciphermail-cve-2020-12713_2020-12714.html
- https://www.ciphermail.com/gateway.html
- https://www.ciphermail.com/news.html
- https://www.ciphermail.com/secure-webmail.html
- https://www.coresecurity.com/core-labs/advisories/ciphermail-multiple-vulnerabilities
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