External risk intelligence

Hikvision Web Server Command Injection Vulnerability

CVE advisoryKnown Exploit

CVE-2021-36260

A command injection vulnerability exists in the web server of certain Hikvision products. This flaw could allow attackers to execute arbitrary commands, potentially impacting device operations and data integrity. The business risk involves unauthorized access and control over surveillance systems.

4Halo Surface Signal

OS Command Injection

Hikvision Ds 2cd2026g2 Iu\/sl Firmware

External exposure likelihood

Halo Surface Signal score for CVE-2021-36260

This vulnerability affects the web server interface of Hikvision surveillance cameras. These devices are commonly deployed in edge environments, and their web management interfaces are frequently exposed to the internet to facilitate remote access, viewing, and administration.

Horizon Alert

Summary of the vulnerability and why it matters

A command injection vulnerability exists in the web server component of certain Hikvision products. This flaw stems from inadequate validation of user input, enabling an attacker to inject malicious commands. The potential impact includes unauthorized system access and control.

  • Vulnerable Hikvision web server
  • Insufficient input validation
  • Unauthorized command execution

Attack Path

How an attacker could exploit the issue

This vulnerability allows an attacker to execute arbitrary commands on affected devices. An attacker can exploit this by sending specially crafted messages to the product's web server. This could lead to unauthorized access and control over the affected systems, potentially impacting data integrity and availability.

  • External web server access required.
  • Attacker sends malicious commands.
  • Arbitrary command execution results.

Live Threat

Current exploitation, exposure, and threat context

A command injection vulnerability exists in the web server of certain Hikvision products. This flaw allows attackers to execute arbitrary commands by sending specially crafted messages. Successful exploitation could lead to unauthorized access and control over affected devices. Organizations utilizing these products should prioritize addressing this vulnerability.

  • Likely attacker skill level: Low.
  • Required access or conditions: Network access.
  • Business risk or urgency: High.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

A command injection vulnerability exists in the web server of certain Hikvision products. This vulnerability allows for unauthorized execution of commands by sending specially crafted messages. Successful exploitation could lead to significant compromise of affected systems and data.

  • Identify all exposed Hikvision assets.
  • Restrict network access to these assets.
  • Apply vendor updates and verify remediation.
  • Monitor for related security events.

Frequently asked questions

What is the Hikvision DS-2CD2026G2-IU/SL?

The Hikvision DS-2CD2026G2-IU/SL is a type of network surveillance camera used for security monitoring. These cameras are often deployed in various environments to capture video feeds that can be accessed remotely.

What is CVE-2021-36260 and how does it work?

CVE-2021-36260 is a command injection vulnerability affecting the web server of certain Hikvision cameras. It allows an attacker to execute arbitrary commands on the device by sending specially crafted messages that bypass input validation checks.

How might an attacker exploit this Hikvision vulnerability?

An attacker could exploit this by sending specific messages to the camera's web server. This can be done without needing any special privileges or user interaction, provided the web server is accessible.

Why should I care about CVE-2021-36260?

You should care if your organization uses Hikvision surveillance cameras, as this vulnerability has a 'Likely' exposure score. This means the devices are often configured with web interfaces accessible from the internet, making them a potential target.

What should I do if I run this Hikvision technology?

The first step is to consult the vendor's advisories for specific instructions on how to address this vulnerability. This typically involves applying any available firmware updates or patches provided by Hikvision.

References