CVE-2021-36260

Confirmed PUBLISHED

A command injection vulnerability in the web server of some Hikvision product. Due to the insufficient input validation, attacker can exploit the...

Hikvision · IP Camera

Exploited in the wild PoC available

Recommended Action

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

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Confidence

Confirmed

Exploitation Status

Exploited in the wild

Observed in Sensors

Attempts (30d)

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Unique Attacker IPs

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CISA KEV

In CISA KEV

CVSS / EPSS

9.8 Critical EPSS 99.9%

At a Glance

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.

cisa nuclei_scanner metasploit

CVE Published: Sep 22, 2021
Exploitation Reported: Jan 10, 2022
CVSS: 9.8 Critical
EPSS: 99.9%

Remote Low complexity No user interaction Unauthenticated

Affected Versions

Vendor	Product	Version	Status
n/a	n/a	n/a	Affected

CVE References

hikvision.com/en/support/cybersecurity/security-advisory/s... hikvision.com · CVE Record https://www.hikvision.com/en/support/cybersecurity/security-advisory/...
packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-2107... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/164603/Hikvision-Web-Server-Buil...
packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthentic... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unaut...
cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveill... cyfirma.com · CVE Record https://www.cyfirma.com/wp-content/uploads/2022/08/HikvisionSurveilla...
therecord.media/experts-warn-of-widespread-exploitation-invo... therecord.media · CVE Record https://therecord.media/experts-warn-of-widespread-exploitation-invol...

Recommended Actions

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.

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Source	Added
CISA First	2022-01-10 00:00 UTC
The Shadowserver	2026-05-28 00:00 UTC

Scanner Artifacts

Nuclei and Metasploit references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36260.yaml	Apr 25, 2025
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/hikvision_cve_2021_36260_blind.rb	Apr 28, 2025

CVSS Scores

CVSS v3.1 9.8 Critical

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

CVSS v2.0 9.3 High

AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitation Status

Exploited in the wild

Recorded 2022-01-10 00:00:00 UTC · CISA

Proof of concept available

Recorded 2021-10-18 06:40:48 UTC · GitHub

Weaknesses (CWE)

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Scanner Integrations

Scanner	Reference	Detected
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/hikvision_cve_2021_36260_blind.rb	Apr 28, 2025
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36260.yaml	Apr 25, 2025

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

Cuerz/CVE-2021-36260

github · Created 2022-08-03 17:27:59 UTC · 149 stars

海康威视RCE漏洞批量检测和利用工具

TaroballzChen/CVE-2021-36260-metasploit

github · Created 2021-11-03 08:11:49 UTC · 16 stars

the metasploit script(POC) about CVE-2021-36260

Aiminsun/CVE-2021-36260

github · Created 2021-10-27 15:51:12 UTC · 266 stars

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.

rabbitsafe/CVE-2021-36260

github · Created 2021-10-18 06:40:48 UTC · 16 stars

CVE-2021-36260

Hikvision IP camera/NVR - Remote Command Execution

nuclei · Created Unknown

hikvision_cve_2021_36260_blind

metasploit · Created Unknown

Metasploit module for CVE-2021-36260

Automate This Intelligence with the Pro API

Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Pro API Example

GET /api/v2/pro/kevs/CVE-2021-36260

{
  "cve_id": "CVE-2021-36260",
  "title": "A command injection vulnerability in the web server of some Hikvision product...",
  "affected_vendor": "Hikvision",
  "affected_product": "IP Camera",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "epss_score": 0.99869,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2021-36260

At a Glance

Affected Versions

CVE References

Recommended Actions

Known Exploited Vulnerability Sources

Scanner Artifacts

Virtual Patch

CVSS Scores

Exploitation Status

Weaknesses (CWE)

Scanner Integrations

Potential Proof of Concepts

Timeline

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