Hikvision Improper Input Validation

CRITICAL 9.8EXPLOITED (CISA KEV)CVE-2021-36260 · Published 22/09/2021 · updated 17/06/2026

Hikvision Improper Input Validation. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/01/2022. Patch affected systems as an emergency.

In short

CVE-2021-36260 is a CRITICAL (CVSS 9.8) vulnerability.
Exploited in the wild: CISA added it to the KEV catalog on 10/01/2022.
Chance of exploitation in the next 30 days (EPSS): 99.9%, higher than 100.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
Security cameras web server Hikvision	Versions not published yet (product named by CISA KEV)

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.

References

packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-210702-Command-Injection.html · Exploit
packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthenticated-Command-Injection.html · Exploit
therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cameras · Third Party Advisory
cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveillanceCamerasVulnerabilities.pdf · Broken Link
hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products · Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2021-36260

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