CVE-2021-43270

—

CVSS 3.1

7.5 high

EPSS

<1%p31

Published

Nov 2, 2021 (Nov 2, 2021)

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.

Vendors: datalust
Products: seq.app.emailplus
Weakness: CWE-319
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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