CVE-2020-12714 json
An issue was discovered in CipherMail Community Gateway Virtual Appliances and Professional/Enterprise Gateway Virtual Appliances versions…
published 2020-06-11 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5002
- cvss
- 5.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- coresecurity.com https://www.coresecurity.com/core-labs/advisories/ciphermail-multiple-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com https://packetstormsecurity.com/files/158001/CipherMail-Community-Virtual-Appliance-4.6.2-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
-
ciphermail.com
/blog/ciphermail-cve-2020-12713_2020-12714.html
patch, vendor-advisory
-
coresecurity.com
/core-labs/advisories/ciphermail-multiple-vulnerabilities
exploit, third-party-advisory
-
packetstormsecurity.com
/files/158001/CipherMail-Community-Virtual-Appliance-4.6.2-Code-Execution.html
exploit, third-party-advisory, vdb-entry
-
ciphermail.com
/news.html
release-notes, vendor-advisory
-
ciphermail.com
/gateway.html
product, vendor-advisory
-
ciphermail.com
/secure-webmail.html
product, vendor-advisory
Sources
- CVE List CVE-2020-12714
- NVD CVE-2020-12714
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.