Path Traversal in Changingtec Servisign
CVE-2022-46306
ChangingTec ServiSign component has a path traversal vulnerability due to insufficient filtering for special characters in the DLL file path. An unauthenticated remote attacker can host a malicious website for the component user to access, which triggers the component to load malicious DLL files under arbitrary file path and allows the attacker to perform arbitrary system operation and disrupt of service.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (58.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Changingtec Servisign — versions 0
Weakness classification (CWE)
References
- www.twcert.org.tw/tw/cp-132-6802-4341b-1.html (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-46306?
- CVE-2022-46306 is a high-severity vulnerability in Changingtec Servisign, classified under Path Traversal. CVSS score: 8.8/10. Published 2023-01-03.
- How severe is CVE-2022-46306?
- High severity. CVSS v3 base score is 8.8 out of 10.