CVE-2022-22281

Name: CVE-2022-22281
Creator: NVD / NIST
Published: 2022-05-13T20:15:08.08+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2022-22281 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.47%

37.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sonicwall	Netextender	<= 10.2.322

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0008Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0008Vendor Advisory

Timeline

Published: May 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-22281?

How severe is CVE-2022-22281?

CVE-2022-22281 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2022-22281?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-22281?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST