CVE-2021-1497
CISA KEVPublished November 3, 2021 · Updated April 3, 2026
high
Official Description+
Cisco HyperFlex HX Installer Virtual Machine contains an insufficient input validation vulnerability which could allow an attacker to execute commands on an affected device as the root user.
Affected Products
| Vendor | Product |
|---|---|
| Cisco | HyperFlex HX |
Patch Status
Patch by 2021-11-17
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2021-1497.