CVE-2021-3597

Description

A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to 2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior to 2.0.39.Final.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.20%
Third-Party Advisory redhat.com Third-Party Advisory netapp.com
Affected: n/a undertow
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1970930 issue tracking third party advisory
https://security.netapp.com/advisory/ntap-20220804-0003/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-3597?
CVE-2021-3597 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3597?
To fix CVE-2021-3597, 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-2021-3597 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3597 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3597?
CVE-2021-3597 affects n/a undertow.
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