CVE-2021-46250 : What You Need to Know
Discover the critical CVE-2021-46250 affecting ScratchOAuth2 with a high impact on system confidentiality, integrity, and availability. Learn about the implications, affected systems, exploitation, and mitigation strategies.
An issue in SOA2Login::commented of ScratchOAuth2 before commit a91879bd58fa83b09283c0708a1864cdf067c64a allows attackers to authenticate as other users on downstream components that rely on ScratchOAuth2.
Understanding CVE-2021-46250
The vulnerability has a CVSSv3.1 base score of 10, indicating a critical severity level with high impact on confidentiality, integrity, and availability of affected systems.
What is CVE-2021-46250?
The vulnerability allows attackers to impersonate as different users on downstream systems that are dependent on ScratchOAuth2, potentially leading to unauthorized actions.
The Impact of CVE-2021-46250
The critical vulnerability enables unauthorized authentication, posing a significant threat to the confidentiality, integrity, and availability of systems utilizing ScratchOAuth2.
Technical Details of CVE-2021-46250
The following technical details provide insights into the vulnerability and its implications.
Vulnerability Description
The issue in SOA2Login::commented of ScratchOAuth2 allows malicious actors to assume the identity of other users on downstream components relying on the service.
Affected Systems and Versions
- Affected System: ScratchOAuth2
- Vulnerable Version: Prior to commit a91879bd58fa83b09283c0708a1864cdf067c64a
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Affected Scope: Changed
- No privileges required for exploitation
Mitigation and Prevention
Understanding how to mitigate and prevent exploitation is crucial for enhancing system security.
Immediate Steps to Take
- Apply the recommended patch or update to the latest secure version.
- Monitor and restrict access to critical systems.
- Regularly review and audit authentication mechanisms.
Long-Term Security Practices
- Conduct regular security training for developers and system administrators.
- Implement multi-factor authentication to augment security measures.
- Perform periodic security assessments and penetration testing.
Patching and Updates
- It is essential to promptly apply patches and updates to address known vulnerabilities and enhance system resilience.