CVE-2023-46221 Memory corruption in Avalanche

Critical 9.8 Published Updated

Attackers can cause memory corruption leading to denial of service or code execution by sending crafted packets to Ivanti Avalanche.

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

What is CVE-2023-46221?

CVE-2023-46221 is a critical memory corruption vulnerability in Ivanti Avalanche, published on 19 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS) or code execution.

Weakness: CWE-787

Which versions are affected by CVE-2023-46221?

It affects 1 product.

Products include Ivanti Avalanche.

How do I fix CVE-2023-46221?

No fix has been published for CVE-2023-46221 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-46221 being exploited?

There is no known exploitation of CVE-2023-46221 in the wild and no public exploit code.

All Ivanti Avalanche vulnerabilities

Sources

Also known as GHSA-w425-226c-79r3.

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