CVE-2021-36260
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2022-01-10 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-01-24 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 99.9% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Added to CISA KEV
- 2022-01-10
- Exploit probability
- 99.9% · EPSS, next 30 days
- Weakness
- CWE-78 · OS command injection
- Record status
- Analyzed
Affected
- Hikvision ds-2cd2026g2-iu\/sl Firmware
- Hikvision ds-2cd2046g2-iu\/sl Firmware
- Hikvision ds-2cd2066g2-i\(u\) Firmware
- Hikvision ds-2cd2066g2-iu\/sl Firmware
- Hikvision ds-2cd2086g2-i\(u\) Firmware
- Hikvision ds-2cd2086g2-iu\/sl Firmware
- Hikvision ds-2cd2166g2-i\(su\) Firmware
- Hikvision ds-2cd2186g2-i\(su\) Firmware
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-36260.md and follow it. Check whether this project is affected by CVE-2021-36260. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/
References
- http://packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-210702-Command-Injection.html
- http://packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthenticated-Command-Injection.html
- https://therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cameras/
- https://www.cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveillanceCamerasVulnerabilities.pdf
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/
- http://packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-210702-Command-Injection.html
- http://packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthenticated-Command-Injection.html
- https://therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cameras/
- https://www.cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveillanceCamerasVulnerabilities.pdf
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36260