CVE-2021-43270

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-319

Affected software

No affected versions have been published.

Timeline

Published
Nov 2, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-43270: High severity, CVSS 7.5 | Vulnix