Home/CVE/An issue was discovered in CipherMail Community Gateway Virtual Appliances and Professional/Enterprise Gateway Virtual A
CVE

CVE-2020-12714

An issue was discovered in CipherMail Community Gateway Virtual Appliances and Professional/Enterprise Gateway Virtual A

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.

MEDIUM · CVSS 5.9 EPSS 0.00244
Schedule remediation
  • Public exploit or PoC is available
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-326Inadequate Encryption Strength
▤

Affected Products & Versions

2
ciphermail gateway>= 1.0.1 and <= 4.7.1-0
ciphermail webmail messenger>= 1.1.1 and <= 3.1.1-0
⚠

Public Exploits & PoCs

2
pocpacketstormsecurity.com · CipherMail-Community-Virtual-Appliance-4.6.2-Code-Executi...packetstormsecurity.com
pocwww.coresecurity.com · ciphermail-multiple-vulnerabilitieswww.coresecurity.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumAzure Application Gateway Modified or Deleted
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jun 2020 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.ciphermail.com/blog/ciphermail-cve-2020-12713_2020-12714.htmlPatchVendor Advisory
https://www.ciphermail.com/gateway.htmlProductVendor Advisory
https://www.ciphermail.com/news.htmlRelease NotesVendor Advisory
https://www.ciphermail.com/secure-webmail.htmlProductVendor Advisory
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