CISA-confirmed known exploited vulnerability

CVE-2021-1498

Cisco HyperFlex HX Data Platform Command Injection Vulnerability

Cisco · HyperFlex HX

Vulnerability details

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 tomcat8 user.

Added to CISA KEV: 2021-11-03

Ransomware campaign use: Unknown

CISA due date: 2021-11-17

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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