Path traversal in SmartPPT SCADA - CVE-2021-43930
Published: April 20, 2022
Vulnerability identifier: #VU62455
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-43930
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the backup and restore system. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system.
Affected software
SmartPPT SCADA
SmartPPT SCADA Server
SmartPPT SCADA Server
How to mitigate CVE-2021-43930
Install update from vendor's website.
SmartPPT SCADA - update to 2.3.4
SmartPPT SCADA Server - update to 2.3.4
SmartPPT SCADA Server - update to 2.3.4