CVEvulnerability
CVE-2021-38371
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-08-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-74
Description
The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
Affected configurations
• exim exim (<= 4.94.2)
Related
Weakness · CWE (1)
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness
References
- https://nostarttls.secvuln.info Tool Signature
- https://www.exim.org Product
- https://www.exim.org/static/doc/security/CVE-2021-38371.txt Broken Link, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/10/msg00029.html lists.debian.org
- https://nostarttls.secvuln.info Tool Signature
- https://www.exim.org Product
- https://www.exim.org/static/doc/security/CVE-2021-38371.txt Broken Link, Vendor Advisory