CVE-2021-41167 : Vulnerability Insights and Analysis
Learn about CVE-2021-41167 affecting modern-async JavaScript library. Discover the impact, affected versions, and mitigation steps for this high-severity vulnerability.
modern-async is an open source JavaScript tooling library for asynchronous operations using async/await and promises. In affected versions, a bug in the forEachSeries and forEachLimit functions could lead to potential security issues.
Understanding CVE-2021-41167
What is CVE-2021-41167?
CVE-2021-41167 involves a bug in modern-async affecting the concurrency limitation of certain functions, potentially leading to security vulnerabilities.
The Impact of CVE-2021-41167
The vulnerability has a high impact on availability but does not affect confidentiality or integrity. It requires no user privileges and has a low attack complexity via a network.
Technical Details of CVE-2021-41167
Vulnerability Description
- modern-async's forEachSeries and forEachLimit functions do not limit concurrency as intended, exposing systems to security risks.
Affected Systems and Versions
- Product: modern-async
- Vendor: nicolas-van
- Versions Affected: < 1.0.4
Exploitation Mechanism
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
Mitigation and Prevention
Immediate Steps to Take
- Update modern-async to version 1.0.4 to patch the vulnerability.
Long-Term Security Practices
- Regularly monitor for security advisories and updates for libraries and dependencies.
Patching and Updates
- Stay informed about security vulnerabilities and apply patches promptly.