CVE-2021-36260

A command injection vulnerability in the web server of some Hikvision product. Due to the...

9.8 CriticalIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

99.9%Up 99.4 points since Sep 23, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2021-36260
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-78
Updated: 2026-11-02

CVE List 9.8

Record: CVE-2021-36260
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2021-22880 9.8

Record: EUVD-2021-22880
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-v276-9v2g-hx55 9.8

A command injection vulnerability in the web server of some Hikvision product. Due to the...

Record: GHSA-v276-9v2g-hx55
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-20, CWE-77, CWE-78
Updated: 2026-11-02

CISA KEV No score

Hikvision Improper Input Validation

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

Record: CVE-2021-36260
Weakness: CWE-78
Updated: 2026-11-02

Affected products

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Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Metasploit	Hikvision IP Camera Unauthenticated Command Injection	2021-09-18
PoC in GitHub	rabbitsafe/CVE-2021-36260	2021-10-18
Exploit-DB	Hikvision Web Server Build 210702 - Command Injection	2021-10-25
PoC in GitHub	Aiminsun/CVE-2021-36260	2021-10-27
PoC in GitHub	TaroballzChen/CVE-2021-36260-metasploit	2021-11-03
PoC in GitHub	tuntin9x/CheckHKRCE	2021-12-13
PoC in GitHub	Cuerz/CVE-2021-36260	2022-08-03
PoC in GitHub	haingn/HIK-CVE-2021-36260-Exploit	2023-10-22
PoC in GitHub	NanoTrash/hikvision_brute	2024-03-07
PoC in GitHub	tamim1089/HikvisionExploiter	2024-07-05

Show 7 moreShow less

Public exploits
Source	Link	Date
PoC in GitHub	aengussong/hikvision_probe	2024-11-26
PoC in GitHub	shubtheone/CVE-2021-36260-hikvision	2026-01-15
PoC in GitHub	saaydmr/hikvision-exploiter	2026-01-21
PoC in GitHub	yanxinwu946/hikvision-unauthenticated-rce-cve-2021-36260	2026-01-21
PoC in GitHub	code-msga/HikvisionExploiter_fixed	2026-03-26
PoC in GitHub	sylhetyhackvenger/HIKRAVEN	2026-07-17
Nuclei	Hikvision IP camera/NVR - Remote Command Execution

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, Nuclei, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-36260 is a critical vulnerability (CVSS 9.8) in Hikvision Ds-2cd2021g1-i\(w\) Firmware, published September 22, 2021. CISA lists it as known to be exploited, since January 10, 2022. EUVD reports exploitation since January 10, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 99.9%, the 99th percentile. No source names a fixed version.