CVE-2021-1497VulnerabilityPublished 11/03/2021Updated 10/24/2026
CVE-2021-1497: Cisco HyperFlex HX Installer Virtual Machine Command Injection Vulnerability
Affects Cisco HyperFlex HXSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 11/03/2021
- KEV deadline
- 11/17/2021
- EPSS
- 99.9% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
CVE-2021-1497 is a command injection vulnerability in the Cisco HyperFlex HX Installer Virtual Machine. It arises from insufficient input validation, allowing an attacker to execute arbitrary commands with root privileges on the affected device. This vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the available data.