What is CVE-2022-38547?

CVE-2022-38547 is a high-severity vulnerability in Zyxel Atp100, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-02-07.

How severe is CVE-2022-38547?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2022-38547 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Zyxel Atp100

CVE-2022-38547

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.028 (85.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

karimhabush/cyberowl

References

security@zyxel.com.tw (Vendor Advisory)

Frequently asked questions

What is CVE-2022-38547?: CVE-2022-38547 is a high-severity vulnerability in Zyxel Atp100, classified under OS Command Injection. CVSS score: 7.2/10. Published 2023-02-07.
How severe is CVE-2022-38547?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2022-38547 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.