CVE-2021-36260 Hikvision Improper Input Validation

Exploited in the wild Critical 9.8 Published Updated

Attackers can execute arbitrary commands on Hikvision devices via the web server due to insufficient input validation.

Exploited in the wild
Since 10 Jan 2022
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-36260?

CVE-2021-36260 is a critical command injection vulnerability in n/a, published on 22 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A command injection vulnerability in the web server of some Hikvision product. Due to the insufficient input validation, attacker can exploit the vulnerability to launch a command injection attack by sending some messages with malicious commands.

Weakness: CWE-78

Which versions are affected by CVE-2021-36260?

It affects 256 products.

Products include Hikvision Ds-2cd2021g1-I\(w\) Firmware, Hikvision Ds-2cd2023g2-I\(u\) Firmware, Hikvision Ds-2cd2026g2-Iu\/Sl Firmware, Hikvision Ds-2cd2027g2-L\(u\) Firmware, Hikvision Ds-2cd2027g2-Lu\/Sl Firmware, Hikvision Ds-2cd2043g2-I\(u\) Firmware and 250 more.

How do I fix CVE-2021-36260?

No fix has been published for CVE-2021-36260 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 24 Jan 2022.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-36260 being exploited?

Yes. Attackers have exploited CVE-2021-36260 in the wild since at least 10 Jan 2022.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry, 1 Nuclei template and 14 proofs of concept on GitHub.

Sources

Also known as GHSA-v276-9v2g-hx55.

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