CRITICALCVSS v3.1 9.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2021-1497

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.

Properties

Euvd product
Cisco HyperFlex HX Data Platform
Vulnerability name
Cisco HyperFlex HX Installer Virtual Machine Command Injection Vulnerability
First seen
2025-10-21T23:25:47+00:00
Cvss score
9.8
Epss score
0.9993
Last seen
2026-10-19T12:00:27+00:00
Due date
2021-11-17
Euvd assigner
cisco
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
9.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Cisco
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.8

Related Entities (11)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2021-1497 (CVSS v3.1 9.8) — Ninja Signal Threat Intelligence | Ninja Signal