Vulnerability Description
The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Exim | Exim | <= 4.94.2 |
Related Weaknesses (CWE)
References
- https://nostarttls.secvuln.infoTool Signature
- https://www.exim.orgProduct
- https://www.exim.org/static/doc/security/CVE-2021-38371.txtBroken LinkVendor Advisory
- https://lists.debian.org/debian-lts-announce/2024/10/msg00029.html
- https://nostarttls.secvuln.infoTool Signature
- https://www.exim.orgProduct
- https://www.exim.org/static/doc/security/CVE-2021-38371.txtBroken LinkVendor Advisory
FAQ
What is CVE-2021-38371?
CVE-2021-38371 is a vulnerability with a CVSS score of 7.5 (HIGH). The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
How severe is CVE-2021-38371?
CVE-2021-38371 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-38371?
Check the references section above for vendor advisories and patch information. Affected products include: Exim Exim.