Is CVE-2021-1497 actively exploited?

Yes. CVE-2021-1497 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2021-1497 be exploited remotely?

The attack vector of CVE-2021-1497 has not been classified yet.

What is the CVSS score of CVE-2021-1497?

CVE-2021-1497 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2021-1497

HIGHCISA KEVIN THE WILD

CVE-2021-1497

Published: November 3, 2021

EPSS:94.36%probability of exploitation in 30 daysPercentile:100.0th

Official Description

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.

NVD Source

CISA KEV Advisory

Cisco HyperFlex HX Installer Virtual Machine Command Injection Vulnerability

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.

Added to KEV: 2021-11-03Federal patch deadline: 2021-11-17

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Cisco HyperFlex HX Installer Virtual Machine has an insufficient input validation vulnerability, allowing an attacker to execute commands as root. The high EPSS score of 0.94363 indicates a very high likelihood of exploitation, and it is confirmed to be actively exploited as per CISA's KEV catalog.

This vulnerability is actively exploited in the wild. The flaw allows for remote command execution with root privileges.

Recommended Action

It is crucial to update Cisco HyperFlex HX Installer Virtual Machine to a patched version to remediate the input validation vulnerability. Ensure proper input validation is in place for all user-supplied data.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-1497 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2021-1497 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.