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.
References (6)
Core 6
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://www.ciphermail.com/news.html
Product, Vendor Advisory x_refsource_misc
https://www.ciphermail.com/gateway.html
Product, Vendor Advisory x_refsource_misc
https://www.ciphermail.com/secure-webmail.html
Patch, Vendor Advisory x_refsource_misc
https://www.ciphermail.com/blog/ciphermail-cve-2020-12713_2020-12714.html
Exploit, Third Party Advisory x_refsource_misc
https://www.coresecurity.com/core-labs/advisories/ciphermail-multiple-vulnerabilities
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://packetstormsecurity.com/files/158001/CipherMail-Community-Virtual-Appliance-4.6.2-Code-Execution.html
Scores
CVSS v3
5.9
EPSS
0.0097
EPSS Percentile
57.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-326
Status
published
Products (2)
ciphermail/gateway
1.0.1 - 4.7.1-0
ciphermail/webmail_messenger
1.1.1 - 3.1.1-0
Published
Jun 11, 2020
Tracked Since
Feb 18, 2026