RCE in Hikvision Ds-2cd2021g1-I\(w\)
CVE-2021-36260
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.999 (100.0th percentile), scored .
Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 100.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.999 · newest: 0.999 · change: 0.000
Affected products
- Hikvision Ds-2cd2021g1-I\(w\)
- Hikvision Ds-2cd2021g1-I\(w\) Firmware
- Hikvision Ds-2cd2023g2-I\(u\)
- Hikvision Ds-2cd2023g2-I\(u\) Firmware
- Hikvision Ds-2cd2026g2-Iu\/sl
- Hikvision Ds-2cd2026g2-Iu\/sl Firmware
- Hikvision Ds-2cd2027g2-L\(u\)
- Hikvision Ds-2cd2027g2-L\(u\) Firmware
- Hikvision Ds-2cd2027g2-Lu\/sl
- Hikvision Ds-2cd2027g2-Lu\/sl Firmware
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- www.hikvision.com/en/support/cybersecurity/security-advisory/security-notificat… (Vendor Advisory)
- packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-210702-Command-… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthenticated-Comman… (Exploit, VDB Entry, Third Party Advisory)
- www.cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveillanceCamerasVulnerab… (Exploit, Third Party Advisory, Broken Link)
- therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cam… (Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2021-36260?
- CVE-2021-36260 is a critical-severity vulnerability in Hikvision Ds-2cd2021g1-I\(w\), classified under OS Command Injection. CVSS score: 9.8/10. Published 2021-09-22.
- How severe is CVE-2021-36260?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-36260 known to be exploited?
- Yes. CVE-2021-36260 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-10), indicating it is being actively exploited. 113 public proof-of-concept repositories are indexed.