CVE-2021-1498

CRITICAL KEV NUCLEI

Cisco HyperFlex HX Data Platform < 4.0(2e) - Unauthenticated OS Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-1498 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added November 3, 2021. EIP tracks 1 public exploit from researchers including Nikita Abramov, Mikhail Klyuchnikov, wvu, including a Metasploit module exploits/linux/http/cisco_hyperflex_hx_data_platform_cmd_exec. A Nuclei detection template is also available.

AI-analyzed exploit summary This Metasploit module exploits an unauthenticated command injection vulnerability in Cisco HyperFlex HX Data Platform's /storfs-asup endpoint, allowing execution of shell commands as the Tomcat user. It supports both direct command execution and staged payload delivery.

Description

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.

Exploits (1)

metasploit WORKING POC EXCELLENT
by Nikita Abramov, Mikhail Klyuchnikov, wvu · rubypocunix
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/cisco_hyperflex_hx_data_platform_cmd_exec.rb

This Metasploit module exploits an unauthenticated command injection vulnerability in Cisco HyperFlex HX Data Platform's /storfs-asup endpoint, allowing execution of shell commands as the Tomcat user. It supports both direct command execution and staged payload delivery.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Cisco HyperFlex HX Data Platform
No auth needed
Prerequisites: Network access to the target system · Vulnerable Cisco HyperFlex HX Data Platform instance
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

Cisco HyperFlex HX Data Platform - Remote Command Execution
CRITICALby gy741

Scores

CVSS v3 9.8
EPSS 0.9421
EPSS Percentile 99.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable yes
Technical Impact total

Details

CISA KEV 2021-11-03
VulnCheck KEV 2021-06-24
InTheWild.io 2021-06-06
ENISA EUVD EUVD-2021-6965
CWE
CWE-78 CWE-77
Status published
Products (1)
cisco/hyperflex_hx_data_platform < 4.0\(2e\)
Published May 06, 2021
KEV Added Nov 03, 2021
Tracked Since Feb 18, 2026