CVE-2021-1497KEV · OVERDUECWE-78

Cisco HyperFlex HX Command Injection Vulnerabilities

Critical · published May 6, 2021

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

1754
days past CISA
deadline
CVSS v3.1
9.8
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 An unpatched Cisco HyperFlex HX could let a remote intruder pull off command injection attacks, like a hacker taking over your virtual office and making changes without anyone noticing! 🔥 Think of it as a hotel with an open back door. Anyone could stroll in, change reservations, and even access guest information without ever being checked in. This vulnerability is just as wide open for exploitation! An attacker could execute arbitrary commands on the device, potentially compromising sensitive data or even taking full control of the system. This could lead to an absolute nightmare, with unauthorized access to critical operations and data loss at stake!

Put simply

Think of it as a hotel with an open back door. Anyone could stroll in, change reservations, and even access guest information without ever being checked in. This vulnerability is just as wide open for exploitation! The vulnerability in Cisco HyperFlex HX's web-based management interface allows unauthenticated, remote attackers to inject malicious commands, resulting in unauthorized execution on the affected device.

What to do

An attacker could execute arbitrary commands on the device, potentially compromising sensitive data or even taking full control of the system. This could lead to an absolute nightmare, with unauthorized access to critical operations and data loss at stake! Immediately update to the latest version released by Cisco that addresses CVE-2021-1497. Additionally, ensure that your network security policies are strict, and perform an audit on access controls to limit exposure to this kind of attack. You've got this! With a timely patch and a little vigilance, you can secure your systems and keep the bad guys out! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.99928 · 100.0th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2021-05-06T12:41Z
KEV added
2021-11-03 · due 2021-11-17
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by Nov 17
    kev
  • 06 MAY 12:41Z
    Cisco HyperFlex HX Command Injection Vulnerabilities
    cvelistv5