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HyperFlex HX
PRODUCT· dossier confidence 0%
Cisco HyperFlex HX is a hyperconverged infrastructure appliance that suffered two high-severity RCE vulnerabilities in 2021 due to insufficient input validation in its installer virtual machine. The product's security posture reflects a pattern of input validation flaws in its deployment artifacts, requiring careful patching and validation of installer components.
PROFILE
CategoryproductWhat they doCisco HyperFlex HX is a hyperconverged infrastructure (HCI) appliance combining compute, storage, and networking into a single platform for enterprise data centers.
SECURITY POSTURE
The HyperFlex HX product has a documented history of high-severity remote code execution (RCE) vulnerabilities in its installer virtual machine, indicating insufficient input validation in its deployment components.
Notable failures
- CVE-2021-1497: Installer VM insufficient input validation RCE
- CVE-2021-1498: Installer VM insufficient input validation RCE
Patterns: insufficient input validation in installer/deployment components
FAILURE HISTORY · 2
| DATE | EVENT | SEV | SUMMARY |
|---|---|---|---|
| 2021-11-03 | CVE-2021-1497 | high | Cisco HyperFlex HX installer VM suffered a command injection flaw allowing root-level code execution. |
| 2021-11-03 | CVE-2021-1498 | high | Cisco HyperFlex HX installer VM had insufficient input validation allowing command execution as tomcat8 user. |
DOSSIER SOURCES
- Cisco Secure Firewall CVE-2026-20349: What It Is, Who's Exposed, and ... · cataam.com
- Microsoft Patches RoguePlanet Defender Zero-Day CVE-2026-50656 · dailysecurityreview.com
- Database CVE, CWE, CISA KEV & Vulnerability Intelligence | CVE Find · www.cvefind.com
Open questions: What is the exact patch timeline for CVE-2021-1497 and CVE-2021-1498? · Are there any other known vulnerabilities in the HyperFlex HX installer VM?
DOSSIER · dex-RAG synthesis · grounded in our own collection + trusted sourcesbuilt 2026-08-16 04:29:53.211682+00:00