CVE-2021-44534 Path traversal in ExpressionEngine

Medium 6.5 Published Updated

Unauthenticated attackers can read arbitrary files due to insufficient input filtering, leading to sensitive information disclosure.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-44534?

CVE-2021-44534 is a medium-severity path traversal vulnerability in ExpressionEngine, published on 31 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker, which results in sensitive information disclosure.

Weakness: CWE-200

Which versions are affected by CVE-2021-44534?

How do I fix CVE-2021-44534?

No fix has been published for CVE-2021-44534 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-44534 being exploited?

There is no known exploitation of CVE-2021-44534 in the wild and no public exploit code.

Sources

Also known as GHSA-2rm2-mwc8-f72w, UBUNTU-CVE-2021-44534.

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