How severe is CVE-2022-39057?

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

RCE in Changing Information Technology Inc. Rava Certificate Validation System

CVE-2022-39057

RAVA certificate validation system has insufficient filtering for special parameter of the web page input field. A remote attacker with administrator privilege can exploit this vulnerability to perform arbitrary system command and disrupt service.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.007 (48.9th 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

Changing Information Technology Inc. Rava Certificate Validation System — versions 3
Changingtec Rava_certificate_validation_system — versions 3

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

twcert@cert.org.tw (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-39057?: CVE-2022-39057 is a high-severity vulnerability in Changing Information Technology Inc. Rava Certificate Validation System, classified under OS Command Injection. CVSS score: 7.2/10. Published 2022-10-18.
How severe is CVE-2022-39057?: High severity. CVSS v3 base score is 7.2 out of 10.