CVE-2020-12069 : Exploit Details and Defense Strategies
Learn about CVE-2020-12069 affecting CODESYS V3 products storing passwords with weak hashing, allowing local attackers to gain full control. Find mitigation steps here.
CODESYS V3 products prior to V3.5.16.0 with weak password hashing.
Understanding CVE-2020-12069
CODESYS V3 is vulnerable to attacks due to inadequate password hashing.
What is CVE-2020-12069?
CODESYS V3 products store online communication passwords using a weak hashing algorithm, allowing local attackers with low privileges to take full control of the device.
The Impact of CVE-2020-12069
- CVSS Base Score: 7.8 (High)
- Attack Vector: Local
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2020-12069
CODESYS V3 vulnerability details.
Vulnerability Description
The vulnerability lies in how CODESYS Control runtime system handles online communication passwords, making it susceptible to unauthorized access.
Affected Systems and Versions
- Affected Product: CODESYS V3 with CmpUserMgr
- Vulnerable Versions: Prior to V3.5.16.0
Exploitation Mechanism
Attackers with local access and low privileges can exploit the weak hashing algorithm to compromise the device.
Mitigation and Prevention
Protecting systems from CVE-2020-12069.
Immediate Steps to Take
- Update CODESYS V3 to version V3.5.16.0 or later
- Change all default passwords and implement strong password policies
Long-Term Security Practices
- Regularly monitor and audit password security practices
- Educate users on password hygiene and security best practices
Patching and Updates
- Apply patches and updates provided by CODESYS to address the vulnerability