CVE-2020-3248 : Security Advisory and Response
Learn about CVE-2020-3248, a critical vulnerability in Cisco UCS Director's REST API, allowing remote attackers to bypass authentication or conduct directory traversal attacks. Find mitigation steps here.
Multiple vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data may allow a remote attacker to bypass authentication or conduct directory traversal attacks.
Understanding CVE-2020-3248
This CVE involves multiple vulnerabilities in Cisco UCS Director and Cisco UCS Director Express for Big Data, potentially enabling unauthorized access and attacks.
What is CVE-2020-3248?
The CVE-2020-3248 vulnerability pertains to flaws in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data, which could be exploited by a remote attacker to bypass authentication or perform directory traversal attacks.
The Impact of CVE-2020-3248
The vulnerability has a CVSS base score of 9.8, indicating a critical severity level. The impact includes high confidentiality, integrity, and availability risks, with no user interaction or privileges required for exploitation.
Technical Details of CVE-2020-3248
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerabilities in the REST API of Cisco UCS Director and Cisco UCS Director Express for Big Data could lead to authentication bypass and directory traversal attacks, posing significant security risks.
Affected Systems and Versions
- Product: Cisco UCS Director
- Vendor: Cisco
- Versions affected: Not applicable (n/a)
Exploitation Mechanism
The vulnerabilities can be exploited remotely, potentially allowing threat actors to bypass authentication mechanisms and conduct directory traversal attacks.
Mitigation and Prevention
Protecting systems from CVE-2020-3248 is crucial to prevent unauthorized access and data breaches.
Immediate Steps to Take
- Apply security patches provided by Cisco promptly.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all software and systems to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
Patching and Updates
- Stay informed about security advisories and updates from Cisco.
- Ensure timely deployment of patches to mitigate the risks associated with CVE-2020-3248.