{"id":"CVE-2020-29548","aliases":["EUVD-2020-21914","GHSA-rqq5-rg8q-m8pp"],"status":"published","title":"An issue was discovered in SmarterTools SmarterMail through 100.0.7537. Meddler-in-the-middle...","description":"An issue was discovered in SmarterTools SmarterMail through 100.0.7537. Meddler-in-the-middle attackers can pipeline commands after a POP3 STLS command, injecting plaintext commands into an encrypted user session.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01127,"percentile":0.66556,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2021-08-17T17:16:05Z","modified":"2026-06-17T03:11:24Z","products":[{"vendor":"smartertools","product":"smartermail"}],"references":[{"url":"https://www.smartertools.com/smartermail/release-notes/current","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nostarttls.secvuln.info/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29548"},{"url":"https://github.com/advisories/GHSA-rqq5-rg8q-m8pp"}],"sources":{"cve":[{"id":"CVE-2020-29548","description":"An issue was discovered in SmarterTools SmarterMail through 100.0.7537. Meddler-in-the-middle attackers can pipeline commands after a POP3 STLS command, injecting plaintext commands into an encrypted user session.","status":"published","published":"2021-08-17T17:16:05Z","modified":"2024-08-04T16:55:10.288Z","updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21914","description":"An issue was discovered in SmarterTools SmarterMail through 100.0.7537. Meddler-in-the-middle attackers can pipeline commands after a POP3 STLS command, injecting plaintext commands into an encrypted user session.","status":"published","published":"2021-08-17T17:16:05Z","modified":"2024-08-04T16:55:10Z","updated_at":"2026-11-03T03:07:07.463834Z"}],"ghsa":[{"id":"GHSA-rqq5-rg8q-m8pp","title":"An issue was discovered in SmarterTools SmarterMail through 100.0.7537. Meddler-in-the-middle...","description":"An issue was discovered in SmarterTools SmarterMail through 100.0.7537. Meddler-in-the-middle attackers can pipeline commands after a POP3 STLS command, injecting plaintext commands into an encrypted user session.","status":"published","published":"2022-05-24T19:11:26Z","modified":"2023-01-30T05:01:32Z","cwes":["CWE-77"],"updated_at":"2026-11-02T14:46:25.989719Z"}],"nvd":[{"id":"CVE-2020-29548","description":"An issue was discovered in SmarterTools SmarterMail through 100.0.7537. Meddler-in-the-middle attackers can pipeline commands after a POP3 STLS command, injecting plaintext commands into an encrypted user session.","status":"published","published":"2021-08-17T18:15:07.04Z","modified":"2026-06-17T03:11:24.87Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}