CVE-2021-38371

Description

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

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.88% Top 20%
Vendor Advisory exim.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
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

Frequently Asked Questions

What is the severity of CVE-2021-38371?
CVE-2021-38371 has been scored as a high severity vulnerability.
How to fix CVE-2021-38371?
To fix CVE-2021-38371, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-38371 being actively exploited in the wild?
It is possible that CVE-2021-38371 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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