CVE-2021-1497 CRITICAL

CVE-2021-1497: Cisco HyperFlex HX Command Injection Vulnerabilities

Vendor Cisco
Product Cisco HyperFlex HX Data Platform
Weakness CWE-78
KEV Status Known Exploited
Published May 6, 2021
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Multiple vulnerabilities in the web-based management interface of Cisco HyperFlex HX could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

CISA mandated remediation

02CISA Required Action

Apply updates per vendor instructions.

Key dates

03Disclosure timeline

May 6, 2021 CVE published
October 21, 2025 Record updated