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CVE-2021-38371

nvd nist
Published: Aug 10, 2021Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

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

Affected (1)

Products: Exim: Exim
Exim
1 product
Exim
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Exim
Up to 4.94.2

Related CWEs

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

References (7)

Source: cve@mitre.org
Tool Signature
Source: cve@mitre.org
Product
Source: cve@mitre.org
Broken LinkVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Tool Signature
Source: af854a3a-2127-422b-91ae-364da2661108
Product
Source: af854a3a-2127-422b-91ae-364da2661108
Broken LinkVendor Advisory

Timeline

No history available yet.