VULNERABILITY INTELLIGENCE

CVE-2021-43270

CVSS score7.5 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2021-11-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

Datalust Seq.App.EmailPlus (aka seq-app-htmlemail) 3.1.0-dev-00148, 3.1.0-dev-00170, and 3.1.0-dev-00176 can use cleartext SMTP on port 25 in some cases where encryption on port 465 was intended.

Weakness classification

  • nvd@nist.gov: CWE-319

Primary references