CVE-2021-44040 HTTP request line fuzzing attacks
Attackers can send invalid HTTP requests to Apache Traffic Server, potentially causing service disruption due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-44040?
CVE-2021-44040 is a high-severity vulnerability in Apache Traffic Server, published on 23 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-20
Which versions are affected by CVE-2021-44040?
It affects 2 products.
Products include Apache Traffic Server, Debian Debian Linux.
How do I fix CVE-2021-44040?
Upgrade to a fixed version.
Is CVE-2021-44040 being exploited?
There is no known exploitation of CVE-2021-44040 in the wild and no public exploit code.
Other vulnerabilities in Apache Traffic Server
Sources
Also known as DEBIAN-CVE-2021-44040, GHSA-6h7p-g96p-26q3, OESA-2022-1692, UBUNTU-CVE-2021-44040.