CVE-2021-38371

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CVSS 3.1

7.5 high

EPSS

2%p80

Published

Aug 10, 2021 (Aug 10, 2021)

Modified

Jun 17, 2026

Description

The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.

Vendors: exim
Products: exim
Weakness: CWE-74
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (2.0%)

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