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Home EximCVE-2021-38371

High

7.5CVSS

CVE-2021-38371

Vendor:Exim

Published: 10 Aug 2021

Updated 5mo ago

Generated remediation guidance and an executive summary. No account required.

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: none
Weaknesses: CWE-74

Metadata

Primary Vendor: EXIM
Published: 8/10/2021
Last Modified: 11/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

exim : exim

Remediation Guidance

Executive Summary

View on NIST NVD

Fix CVE-2021-38371 - HIGH exim exim | CVEDatabase.com

Related reading

Use CWE-74, Exim vendor hub and Exim product page to widen CVE-2021-38371 into its surrounding weakness, vendor, and product context.

Compare it with CVE-2023-42117, CVE-2023-42116 and CVE-2023-42115 for nearby disclosures in the same product family.