CVE-2021-36260KEV · OVERDUE

Hikvision Improper Input Validation

Critical · published September 22, 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.

1734
days past CISA
deadline
CVSS v3.1
9.8
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 A sneaky command injection flaw lurks in Hikvision's web server, ready to be exploited! 🔥 Think of this vulnerability like a restaurant where the chef takes any order without double-checking the recipe—all it takes is one rogue customer to ask for something outrageous, and chaos ensues! 🍽️ An attacker can send in malicious commands, leading to unauthorized actions on the server—think data breaches, system compromises, or even turning your security cameras against you! This could be absolutely devastating for sensitive environments and organizations relying on Hikvision products.

Put simply

Think of this vulnerability like a restaurant where the chef takes any order without double-checking the recipe—all it takes is one rogue customer to ask for something outrageous, and chaos ensues! 🍽️ This command injection vulnerability arises from insufficient input validation in the web server of some Hikvision products, allowing attackers to execute arbitrary commands on the server by sending specially crafted messages.

What to do

An attacker can send in malicious commands, leading to unauthorized actions on the server—think data breaches, system compromises, or even turning your security cameras against you! This could be absolutely devastating for sensitive environments and organizations relying on Hikvision products. Immediately update to the latest firmware version recommended by Hikvision to mitigate this exploit. Enforce strict input validation to block any malicious commands from being processed. Regularly audit your network for any unusual activity stemming from these devices. You can tackle this! By following these steps, you'll bolster your defenses and secure your systems in no time. 🛡️

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
0.99869 · 100.0th percentile
Published
2021-09-22T12:07Z
KEV added
2022-01-10 · due 2022-01-24
EPSS history
Timeline
  • 10 JAN 00:00Z
    Added to CISA KEV — remediate by Jan 24
    kev
  • 22 SEP 12:07Z
    A command injection vulnerability in the web server of some Hikvision product
    cvelistv5