What is CVE-2022-4221?

CVE-2022-4221 is a critical-severity vulnerability in Asus Nas-M25, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-12-01.

How severe is CVE-2022-4221?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Asus Nas-M25

CVE-2022-4221

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Asus NAS-M25 allows an unauthenticated attacker to inject arbitrary OS commands via unsanitized cookie values.This issue affects NAS-M25: through 1.0.1.7.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Asus Nas-m25 — versions 0
Asus Nas-m25_firmware

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

research@onekey.com (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-4221?: CVE-2022-4221 is a critical-severity vulnerability in Asus Nas-M25, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-12-01.
How severe is CVE-2022-4221?: Critical severity. CVSS v3 base score is 9.8 out of 10.