CVE-2022-22281 Memory corruption in SonicWall NetExtender Windows (32 and 64 bit) Client

What is CVE-2022-22281?

CVE-2022-22281 is a high-severity memory corruption vulnerability in SonicWall NetExtender Windows (32 and 64 bit) Client, published on 13 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A buffer overflow vulnerability in the SonicWall SSL-VPN NetExtender Windows Client (32 and 64 bit) in 10.2.322 and earlier versions, allows an attacker to potentially execute arbitrary code in the host windows operating system.

Weakness: CWE-120, CWE-121

Which versions are affected by CVE-2022-22281?

It affects 1 product.

Products include Sonicwall Netextender.

How do I fix CVE-2022-22281?

No fix has been published for CVE-2022-22281 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-2022-22281 being exploited?

There is no known exploitation of CVE-2022-22281 in the wild and no public exploit code.

Other vulnerabilities in SonicWall NetExtender Windows (32 and 64 bit) Client

• CVE-2023-44218 Privilege escalation in NetExtender High 8.8
• CVE-2023-44217 Privilege escalation in NetExtender High 7.8
• CVE-2020-5131 Path traversal in SonicWall NetExtender High 7.8
• CVE-2023-44220 Other in NetExtender High 7.3
• CVE-2024-29014 Code injection in NetExtender High 7.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-xgvj-6j6j-5pfh.