CVE-2021-43933 : Security Advisory and Response
Learn about CVE-2021-43933, a vulnerability in FANUC ROBOGUIDE Simulation Platform allowing denial-of-service attacks due to heap memory issues. Discover mitigation steps here.
CVE-2021-43933 relates to vulnerabilities in the FANUC ROBOGUIDE Simulation Platform that could lead to denial-of-service conditions due to heap memory issues.
Understanding CVE-2021-43933
This CVE involves a network-based attack impacting FANUC ROBOGUIDE Simulation Platform.
What is CVE-2021-43933?
The threat actors can send unimpeded requests to the receiving server, causing denial-of-service by depleting heap memory resources.
The Impact of CVE-2021-43933
The vulnerability has a CVSS base score of 6.1, marked as MEDIUM severity, with high availability impact due to attack complexity and vector.
Technical Details of CVE-2021-43933
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability exposes the affected product to denial-of-service attacks via network-based interactions.
Affected Systems and Versions
- Product: ROBOGUIDE
- Vendor: FANUC
- All product versions less than v9.40083.00.05 (Rev T)
Exploitation Mechanism
- Attack Complexity: HIGH
- Attack Vector: NETWORK
- Privileges Required: NONE
- Scope: CHANGED
- User Interaction: REQUIRED
Mitigation and Prevention
Taking immediate actions and implementing long-term security measures are crucial.
Immediate Steps to Take
- Upgrade to ROBOGUIDE v9 Rev U or higher from FANUC or FANUC America website.
Long-Term Security Practices
- Regularly monitor network traffic for any suspicious activity.
- Implement access controls and network segmentation.
Patching and Updates
- Regularly update software and firmware to the latest versions for security enhancements.