CVE-2021-37149 Request Smuggling - multiple attacks
Attackers can smuggle requests via improper header parsing in Apache Traffic Server, potentially bypassing security controls or accessing unauthorized data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-37149?
CVE-2021-37149 is a high-severity vulnerability in Apache Traffic Server, published on 3 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Input Validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.
Weakness: CWE-20
Which versions are affected by CVE-2021-37149?
It affects 2 products.
Products include Apache Traffic Server, Debian Debian Linux.
How do I fix CVE-2021-37149?
Upgrade to a fixed version.
Is CVE-2021-37149 being exploited?
There is no known exploitation of CVE-2021-37149 in the wild and no public exploit code.
Other vulnerabilities in Apache Traffic Server
Sources
Also known as DEBIAN-CVE-2021-37149, GHSA-c3mx-fhwm-6r53, UBUNTU-CVE-2021-37149.