RCE in Changingtec Servisign
CVE-2022-46304
ChangingTec ServiSign component has insufficient filtering for special characters in the connection response parameter. An unauthenticated remote attacker can host a malicious website for the component user to access, which triggers command injection and allows the attacker to execute arbitrary system command to perform arbitrary system operation or disrupt service.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.015 (71.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Changingtec Servisign — versions 0
Weakness classification (CWE)
References
- twcert@cert.org.tw (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-46304?
- CVE-2022-46304 is a high-severity vulnerability in Changingtec Servisign, classified under OS Command Injection. CVSS score: 8.8/10. Published 2023-01-03.
- How severe is CVE-2022-46304?
- High severity. CVSS v3 base score is 8.8 out of 10.