CVE-2021-32565

HTTP Request Smuggling, content length with invalid charters

Description

Invalid values in the Content-Length header sent to Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 7.71% Top 10%
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.html/ra1a41ff92a70d25bf576d7da2590575e8ff430393a3f4a0c34de4277%40%3Cusers.trafficserver.apache.org%3E mailing list vendor advisory
https://www.debian.org/security/2021/dsa-4957 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-32565?
CVE-2021-32565 has been scored as a high severity vulnerability.
How to fix CVE-2021-32565?
To fix CVE-2021-32565, 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-2021-32565 being actively exploited in the wild?
It is possible that CVE-2021-32565 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32565?
CVE-2021-32565 affects Apache Software Foundation Apache Traffic Server.
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