CVE-2021-44759 Improper authentication vulnerability in TLS origin verification

High 8.1 Published Updated

An attacker can perform a man-in-the-middle attack due to improper TLS origin validation in Apache Traffic Server.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-44759?

CVE-2021-44759 is a high-severity authentication bypass 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 Authentication vulnerability in TLS origin validation of Apache Traffic Server allows an attacker to create a man in the middle attack. This issue affects Apache Traffic Server 8.0.0 to 8.1.0.

Weakness: CWE-287

Which versions are affected by CVE-2021-44759?

It affects 2 products.

Products include Apache Traffic Server, Debian Debian Linux.

How do I fix CVE-2021-44759?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-44759 being exploited?

There is no known exploitation of CVE-2021-44759 in the wild and no public exploit code.

All Apache Traffic Server vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-44759, GHSA-qwcg-95jm-56j3, UBUNTU-CVE-2021-44759.

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