CVE-2022-38547

Description

A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.

References

Link	Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-rce-in-firewalls	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-38547?: CVE-2022-38547 has been scored as a high severity vulnerability.
How to fix CVE-2022-38547?: To fix CVE-2022-38547, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-38547 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-38547 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-38547?: CVE-2022-38547 affects Zyxel ZyWALL/USG series firmware, Zyxel VPN series firmware, Zyxel USG FLEX series firmware, Zyxel ATP series firmware.

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Description

Category

CWE-78 – Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

Frequently Asked Questions