Cisco UCS Manager Software Command Injection Vulnerabilities
TL;DR 📌
Multiple command injection vulnerabilities have been identified in Cisco UCS Manager Software, allowing authenticated attackers with administrative privileges to execute arbitrary commands on affected systems. The highest CVSS score for these vulnerabilities is 6.5, indicating a Medium severity level. Software updates are available to address these issues, but no workarounds exist.
What happened 🕵️♂️
Cisco has disclosed multiple vulnerabilities in the CLI and web-based management interface of Cisco UCS Manager Software. These vulnerabilities could allow an authenticated attacker with administrative privileges to perform command injection attacks, potentially leading to root-level access on the affected systems. The vulnerabilities stem from insufficient input validation of command arguments supplied by users.
Affected products 🖥️
The following Cisco products are affected if they are running Cisco UCS Manager Software:
- UCS 6300 Series Fabric Interconnects
- UCS 6400 Series Fabric Interconnects
- UCS 6500 Series Fabric Interconnects
- UCS X-Series Direct Fabric Interconnect 9108 100G
Fixed software 🔧
Upgrade to the first fixed release in your train (or later):
| Release / Product | First Fixed Release | Notes |
|---|---|---|
| 4.1 and earlier | Migrate to a fixed release. | |
| 4.2 | 4.2(3p) | |
| 4.3 | 4.3(6c) | |
| 6.0 | Not vulnerable. | |
| 1.0 | Initial public release. | |
| Cisco UCS Software | 4.2(3p) | 4.1 and earlier |
| Cisco UCS Software | 4.3(6c) | 4.3 |
Workarounds 🧯
There are no workarounds that address these vulnerabilities.
Risk in context 🎯
With a CVSS score of 6.5, these vulnerabilities are rated as Medium severity. Exploitation requires administrative access, which limits exposure but still poses a significant risk if an attacker gains such access. The vulnerabilities could allow for arbitrary command execution, potentially compromising system integrity.
Fast facts ⚡
- CVSS Score: 6.5 (Medium)
- Vulnerabilities: Command injection allowing root access.
- Affected Products: UCS 6300, 6400, 6500 Series, and UCS X-Series Direct Fabric Interconnect 9108 100G.
- Workarounds: None available.
- Fixed Software: Specific releases noted above.
For leadership 🧭
The command injection vulnerabilities in Cisco UCS Manager Software pose a Medium risk to our operations, with a CVSS score of 6.5. These vulnerabilities require authenticated administrative access to exploit, which somewhat mitigates risk but still exposes our systems to potential command execution attacks. Immediate remediation is necessary, with a recommendation to patch within 7 days using the fixed software releases provided. The operational impact is expected to be minimal, requiring a brief maintenance window without anticipated configuration drift.
Now: Review affected systems and plan for patching.
Next: Implement the necessary software updates.
Later: Monitor for any unusual activity post-update and ensure compliance with security policies.