CVE-2021-36260

critical

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

https://therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cameras/

https://securityaffairs.com/189069/cyber-warfare-2/iran-linked-hackers-target-ip-cameras-across-israel-and-gulf-states-for-military-intelligence.html

https://thehackernews.com/2026/03/iran-linked-muddywater-hackers-target.html

https://www.theregister.com/2026/03/04/iranian_hacking_attempts_ip_cameras/

https://research.checkpoint.com/2026/interplay-between-iranian-targeting-of-ip-cameras-and-physical-warfare-in-the-middle-east/

https://www.infosecurity-magazine.com/news/webcams-vulnerable-hiatusrat-fbi/

https://thehackernews.com/2024/12/cisa-and-fbi-raise-alerts-on-exploited.html

https://www.bleepingcomputer.com/news/security/fbi-spots-hiatusrat-malware-attacks-targeting-web-cameras-dvrs/

https://www.tenable.com/blog/cyber-retaliation-analyzing-iranian-cyber-activity-following-operation-epic-fury

https://www.tenable.com/blog/cisa-top-20-cves-exploited-peoples-republic-of-china-state-sponsored-actors-aa22-279a

https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/

https://www.cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveillanceCamerasVulnerabilities.pdf

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36260

http://packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthenticated-Command-Injection.html

http://packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-210702-Command-Injection.html

Details

Source: Mitre, NVD

Published: 2021-09-22

Updated: 2025-11-10

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.94436

Detections

Analytics