CVE-2021-36260
KEVHikvision Improper Input Validation
Description
A command injection vulnerability in the web server of some Hikvision product. Due to the insufficient input validation.
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.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedSep 22, 2021
Last modifiedJun 17, 2026
Added to KEVJan 10, 2022
Remediation dueJan 24, 2022
References
- packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-210702-Command-Injection.htmlExploitThird Party Advisory
- packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthenticated-Command-Injection.htmlExploitThird Party Advisory
- therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cameras/Third Party Advisory
- cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveillanceCamerasVulnerabilities.pdfBroken LinkExploit
- hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/Vendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36260US Government Resource
0 recent articles mention this CVE
89
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1737 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 99.9% · top 1% of all CVEs
- Weakness
- CWE-78
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.