RCE in Cisco Small Business Rv Series Router Firmware

CVE-2022-20801

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 and RV345 Routers could allow an authenticated, remote attacker to inject and execute arbitrary commands on the underlying operating system of an affected device. These vulnerabilities are due to insufficient validation of user-supplied input. An attacker could exploit these vulnerabilities by sending malicious input to an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system of the affected device. To exploit these vulnerabilities, an attacker would need to have valid Administrator credentials on the affected device.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.020 (78.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-20801?
CVE-2022-20801 is a medium-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Command Injection. CVSS score: 4.7/10. Published 2022-05-04.
How severe is CVE-2022-20801?
Medium severity. CVSS v3 base score is 4.7 out of 10.