{"cve":"CVE-2020-12714","nvd":{"published":"2020-06-11T02:15:10.573","modified":"2026-06-17T02:52:10.800","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-326"],"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"],"products":["ciphermail:gateway","ciphermail:webmail_messenger"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-12714","score":0.00974,"percentile":0.62068,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}