CVE-2021-39016 Explained : Impact and Mitigation
Learn about CVE-2021-39016 affecting IBM Engineering Lifecycle Optimization - Publishing versions 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2. Find mitigation steps and impact details here.
IBM Engineering Lifecycle Optimization - Publishing versions 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 are vulnerable to a network traffic volume control bypass.
Understanding CVE-2021-39016
This CVE involves a security vulnerability in IBM Engineering Lifecycle Optimization - Publishing.
What is CVE-2021-39016?
The vulnerability in IBM Engineering Lifecycle Optimization - Publishing versions 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 allows an actor to manipulate network traffic volume beyond permitted levels.
The Impact of CVE-2021-39016
This vulnerability has a CVSSv3 base score of 4.3 (Medium severity) with low attack complexity and vector pointing to network-based exploitation.
Technical Details of CVE-2021-39016
This section delves into the specifics of the vulnerability.
Vulnerability Description
The software fails to adequately monitor or restrict transmitted network traffic, enabling actors to exceed allowed traffic limits.
Affected Systems and Versions
- IBM Engineering Lifecycle Optimization Publishing 6.0.6
- IBM Engineering Lifecycle Optimization Publishing 6.0.6.1
- IBM Engineering Lifecycle Optimization Publishing 7.0
- IBM Engineering Lifecycle Optimization Publishing 7.0.1
- IBM Engineering Lifecycle Optimization Publishing 7.0.2
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Exploit Code Maturity: Unproven
- Scope: Unchanged
- Vector String: CVSS:3.0/PR:L/C:N/I:L/UI:N/S:U/AC:L/A:N/AV:N/RL:O/RC:C/E:U
Mitigation and Prevention
Below are the necessary steps to mitigate and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Apply official fixes provided by IBM for the affected versions.
- Monitor network traffic for any unusual patterns or volume.
Long-Term Security Practices
- Regularly update the software to the latest secure versions.
- Implement network traffic monitoring solutions for anomaly detection.
Patching and Updates
- Ensure timely installation of security patches for IBM Engineering Lifecycle Optimization - Publishing.