Critical severity · published Sep 22, 2021
CVE-2021-36260
Hikvision Improper Input Validation
In wildKEV
9.8
CVSS
99.9%
EPSS
Yes
On 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)99.9% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Jan 10, 2022
Federal remediation dueJan 24, 2022
Ransomware campaign useNot known
Affected products
Which versions
DF
Ds-2cd2023g2-i(u) Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2026g2-iu/sl Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2027g2-l(u) Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2027g2-lu/sl Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2043g2-i(u) Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2046g2-iu/sl Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2047g2-l(u) Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2063g2-i(u) Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2066g2-i(u) Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2066g2-iu/sl Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2083g2-i(u) Firmware · Hikvision
All versions, or not specified · source: NVD
DF
Ds-2cd2086g2-i(u) Firmware · Hikvision
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36260
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36260
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/
x_refsource_MISC
http://packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-210702-Command-Injection.html
x_refsource_MISC
http://packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthenticated-Command-Injection.html
x_refsource_MISC
https://www.cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveillanceCamerasVulnerabilities.pdf
x_refsource_MISC
https://therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cameras/