CVE-2021-41579 : Exploit Details and Defense Strategies
Learn about CVE-2021-41579 affecting LCDS LAquis SCADA, allowing a control bypass and path traversal, leading to potential code execution. Find mitigation steps and updates here.
LCDS LAquis SCADA through 4.3.1.1085 is vulnerable to a control bypass and path traversal, allowing an attacker to execute code by manipulating project files.
Understanding CVE-2021-41579
What is CVE-2021-41579?
LCDS LAquis SCADA through version 4.3.1.1085 is susceptible to a control bypass and path traversal vulnerability.
The Impact of CVE-2021-41579
Exploiting this vulnerability could allow an attacker to write arbitrary files to OS locations with user permissions, potentially leading to code execution.
Technical Details of CVE-2021-41579
Vulnerability Description
By tricking a user into loading a malicious els project file and using the play feature, an attacker can bypass consent popups to write files to sensitive areas.
Affected Systems and Versions
- Product: LCDS LAquis SCADA
- Versions Affected: up to 4.3.1.1085
Exploitation Mechanism
- Attacker lures victim to load malicious file
- By playing the project, consent popup is bypassed
- Allows writing of arbitrary files to permitted OS locations
Mitigation and Prevention
Immediate Steps to Take
- Avoid loading files from untrusted sources
- Implement user permission restrictions
Long-Term Security Practices
- Regularly update software to latest versions
- Conduct security training to recognize phishing attempts
Patching and Updates
- Apply patches provided by the software vendor to fix the vulnerability.