CVE-2020-12714

Name: CVE-2020-12714
Creator: NVD / NIST
Published: 2020-06-11T02:15:10.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2020-12714 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.97%

57.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions
Ciphermail	Gateway	>= 1.0.1, <= 4.7.1-0
Ciphermail	Webmail Messenger	>= 1.1.1, <= 3.1.1-0

References

https://packetstormsecurity.com/files/158001/CipherMail-Community-Virtual-Appliance-4.6.2-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.ciphermail.com/blog/ciphermail-cve-2020-12713_2020-12714.htmlPatch, Vendor Advisory
https://www.ciphermail.com/gateway.htmlProduct, Vendor Advisory
https://www.ciphermail.com/news.htmlRelease Notes, Vendor Advisory
https://www.ciphermail.com/secure-webmail.htmlProduct, Vendor Advisory
https://www.coresecurity.com/core-labs/advisories/ciphermail-multiple-vulnerabilitiesExploit, Third Party Advisory
https://packetstormsecurity.com/files/158001/CipherMail-Community-Virtual-Appliance-4.6.2-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.ciphermail.com/blog/ciphermail-cve-2020-12713_2020-12714.htmlPatch, Vendor Advisory
https://www.ciphermail.com/gateway.htmlProduct, Vendor Advisory
https://www.ciphermail.com/news.htmlRelease Notes, Vendor Advisory
https://www.ciphermail.com/secure-webmail.htmlProduct, Vendor Advisory
https://www.coresecurity.com/core-labs/advisories/ciphermail-multiple-vulnerabilitiesExploit, Third Party Advisory

Timeline

Published: Jun 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12714?

How severe is CVE-2020-12714?

CVE-2020-12714 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12714?

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-2020-12714?

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

Scan your code now

Source: NVD / NIST