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Status published
High
CVE-2021-38371
The STARTTLS feature in Exim through 4.94.2 allows response injection...
Vulnerability Description
The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
exim
View all reports →Affected Software
exim
Vulnerable Versions:
0
Timeline
Official Publish:
August 10th, 2021
Last Modified:
November 3rd, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.