{"id":"CVE-2020-12714","aliases":["EUVD-2020-5002","GHSA-3mcx-q4cv-hcc6"],"status":"published","title":"An issue was discovered in CipherMail Community Gateway Virtual Appliances and Professional...","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.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00974,"percentile":0.62543,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-326"],"published":"2020-06-11T01:46:15Z","modified":"2026-06-17T02:52:10Z","products":[{"vendor":"ciphermail","product":"gateway"},{"vendor":"ciphermail","product":"webmail_messenger"}],"references":[{"url":"https://www.ciphermail.com/news.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://www.ciphermail.com/gateway.html","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://www.ciphermail.com/secure-webmail.html","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://www.ciphermail.com/blog/ciphermail-cve-2020-12713_2020-12714.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.coresecurity.com/core-labs/advisories/ciphermail-multiple-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://packetstormsecurity.com/files/158001/CipherMail-Community-Virtual-Appliance-4.6.2-Code-Execution.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12714"},{"url":"https://github.com/advisories/GHSA-3mcx-q4cv-hcc6"}],"sources":{"cve":[{"id":"CVE-2020-12714","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.","status":"published","published":"2020-06-11T01:46:15Z","modified":"2024-08-04T12:04:22.55Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-5002","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.","status":"published","published":"2020-06-11T01:46:15Z","modified":"2024-08-04T12:04:22Z","updated_at":"2026-11-03T03:07:39.298733Z"}],"ghsa":[{"id":"GHSA-3mcx-q4cv-hcc6","title":"An issue was discovered in CipherMail Community Gateway Virtual Appliances and Professional...","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.","status":"published","published":"2022-05-24T17:20:20Z","modified":"2023-01-29T05:03:00Z","updated_at":"2026-11-02T14:45:13.266415Z"}],"nvd":[{"id":"CVE-2020-12714","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.","status":"published","published":"2020-06-11T02:15:10.573Z","modified":"2026-06-17T02:52:10.8Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-326"],"updated_at":"2026-11-02T14:06:05.962132Z"}]}}