CVE-2021-44768 : Security Advisory and Response
Discover the impact of CVE-2021-44768 affecting Delta Electronics CNCSoft (Version 1.01.30) with an out-of-bounds read vulnerability, its mitigation steps, and necessary prevention measures.
Delta Electronics CNCSoft (Version 1.01.30) is vulnerable to an out-of-bounds read, potentially disclosing information.
Understanding CVE-2021-44768
Delta Electronics CNCSoft is susceptible to exploitation through an out-of-bounds read vulnerability.
What is CVE-2021-44768?
This CVE denotes a vulnerability in Delta Electronics CNCSoft versions equal to or below 1.01.30, where processing specific project files may lead to an out-of-bounds read, posing a risk of information exposure.
The Impact of CVE-2021-44768
The vulnerability has a CVSS base score of 6.1, with medium severity. It can result in high confidentiality impact but requires user interaction for exploitation, keeping the integrity impact none.
Technical Details of CVE-2021-44768
Details regarding the vulnerability.
Vulnerability Description
- CVE ID: CVE-2021-44768
- CWE ID: CWE-125 Out-of-bounds Read
- Attack Vector: Local
- Attack Complexity: Low
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: None
- Availability Impact: Low
Affected Systems and Versions
- Product: CNCSoft
- Vendor: Delta Electronics
- Vulnerable Versions: <= 1.01.30 (Custom version)
Exploitation Mechanism
The vulnerability can be exploited by processing a specific project file within Delta Electronics CNCSoft, leading to an out-of-bounds read and potential information disclosure.
Mitigation and Prevention
Mitigation steps to address the CVE-2021-44768.
Immediate Steps to Take
- Upgrade Delta Electronics CNCSoft to the latest patch.
- Minimize network exposure for control system devices, ensuring no Internet accessibility.
- Isolate control system networks behind firewalls.
- Use secure remote access methods like VPNs, keeping them updated.
Long-Term Security Practices
- Regularly update all software and systems.
- Conduct security assessments and audits periodically.
- Educate users on cybersecurity best practices.
Patching and Updates
- Delta Electronics recommends upgrading to the latest patch.
- Apply network security measures and use VPNs for secure remote access.