CVE-2021-44040

HTTP request line fuzzing attacks

Description

Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory debian.org Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Traffic Server
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6 mailing list vendor advisory
https://www.debian.org/security/2022/dsa-5153 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-44040?
CVE-2021-44040 has been scored as a high severity vulnerability.
How to fix CVE-2021-44040?
To fix CVE-2021-44040, 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-2021-44040 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-44040 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-2021-44040?
CVE-2021-44040 affects Apache Software Foundation Apache Traffic Server.
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