CVE-2020-3243: Cisco UCS Director isEnableRestKeyAccessCheckForUser Authentication Bypass Vulnerability
First published: Wed Apr 15 2020(Updated: )
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 on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco UCS Director | =6.0.0.0 | |
| Cisco UCS Director | =6.0.0.1 | |
| Cisco UCS Director | =6.0.1.0 | |
| Cisco UCS Director | =6.0.1.1 | |
| Cisco UCS Director | =6.0.1.2 | |
| Cisco UCS Director | =6.0.1.3 | |
| Cisco UCS Director | =6.5.0.0 | |
| Cisco UCS Director | =6.5.0.1 | |
| Cisco UCS Director | =6.5.0.2 | |
| Cisco UCS Director | =6.5.0.3 | |
| Cisco UCS Director | =6.5.0.4 | |
| Cisco UCS Director | =6.6.0.0 | |
| Cisco UCS Director | =6.6.1.0 | |
| Cisco UCS Director | =6.6.2.0 | |
| Cisco UCS Director | =6.7.0.0 | |
| Cisco UCS Director | =6.7.1.0 | |
| Cisco UCS Director | =6.7.2.0 | |
| Cisco UCS Director | =6.7.3.0 | |
| Cisco UCS Director Express for Big Data | <=3.7.3.0 | |
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Reference Links
Frequently Asked Questions
What is CVE-2020-3243?
CVE-2020-3243 is a vulnerability that allows remote attackers to bypass authentication on affected installations of Cisco UCS Director.
How severe is CVE-2020-3243?
CVE-2020-3243 has a severity rating of 9.8 (Critical).
Which software versions are affected by CVE-2020-3243?
CVE-2020-3243 affects Cisco UCS Director versions 6.0.0.0 to 6.7.3.0 and Cisco UCS Director Express for Big Data version 3.7.3.0.
What is the specific flaw in CVE-2020-3243?
The specific flaw in CVE-2020-3243 exists in the processing of the X-Cloupia-Request-Key field in requests.
Are there any references for CVE-2020-3243?
Yes, you can find more information about CVE-2020-3243 in the following references: 1. Cisco Security Advisory: [link] 2. ZDI-20-540: [link] 3. Packet Storm Security: [link]
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