CVE-2021-36260

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-01-10), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 3 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
9.8(high)
EPSS
100.0%
KEV
⚠ Exploited

Published

September 22, 2021

Last Modified

November 10, 2025

Advisory Details (4)

Auto-updated Jun 1, 2026
No patch confirmed yet.
generic
https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-notification-command-injection-vulnerability-in-some-hikvision-products/
generic

Experts warn of widespread exploitation involving Hikvision cameras | The Record from Recorded Future News

https://therecord.media/experts-warn-of-widespread-exploitation-involving-hikvision-cameras/
generic

Packet Storm

http://packetstormsecurity.com/files/166167/Hikvision-IP-Camera-Unauthenticated-Command-Injection.html
generic

Packet Storm

http://packetstormsecurity.com/files/164603/Hikvision-Web-Server-Build-210702-Command-Injection.html

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 51× in last 7d / 215× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 380 total refreshes for this CVE.

  1. 2026-07-22 03:39 UTCGHSA enrichment
  2. 2026-07-21 23:59 UTCGHSA enrichment
  3. 2026-07-21 18:56 UTCGHSA enrichment
  4. 2026-07-21 15:19 UTCGHSA enrichment
  5. 2026-07-21 14:37 UTCCISA KEV update
  6. 2026-07-21 11:42 UTCGHSA enrichment
  7. 2026-07-21 08:06 UTCGHSA enrichment
  8. 2026-07-21 04:29 UTCGHSA enrichment
  9. 2026-07-21 00:52 UTCGHSA enrichment
  10. 2026-07-20 21:14 UTCGHSA enrichment
  11. 2026-07-20 17:36 UTCGHSA enrichment
  12. 2026-07-20 13:59 UTCGHSA enrichment
  13. 2026-07-20 10:22 UTCGHSA enrichment
  14. 2026-07-20 06:46 UTCGHSA enrichment
  15. 2026-07-20 02:50 UTCGHSA enrichment
  16. 2026-07-19 23:13 UTCGHSA enrichment
  17. 2026-07-19 19:36 UTCGHSA enrichment
  18. 2026-07-19 15:59 UTCGHSA enrichment
  19. 2026-07-19 12:22 UTCGHSA enrichment
  20. 2026-07-19 08:45 UTCGHSA enrichment
  21. 2026-07-19 05:08 UTCGHSA enrichment
  22. 2026-07-19 01:31 UTCGHSA enrichment
  23. 2026-07-18 21:54 UTCGHSA enrichment
  24. 2026-07-18 18:16 UTCGHSA enrichment
  25. 2026-07-18 14:39 UTCGHSA enrichment
Show 75 more
  1. 2026-07-18 11:02 UTCGHSA enrichment
  2. 2026-07-18 07:25 UTCGHSA enrichment
  3. 2026-07-18 03:48 UTCGHSA enrichment
  4. 2026-07-18 00:10 UTCGHSA enrichment
  5. 2026-07-17 20:33 UTCGHSA enrichment
  6. 2026-07-17 16:56 UTCGHSA enrichment
  7. 2026-07-17 13:19 UTCGHSA enrichment
  8. 2026-07-17 09:42 UTCEG score recompute
  9. 2026-07-17 09:42 UTCGHSA enrichment
  10. 2026-07-17 06:05 UTCGHSA enrichment
  11. 2026-07-17 02:28 UTCGHSA enrichment
  12. 2026-07-16 22:50 UTCGHSA enrichment
  13. 2026-07-16 19:13 UTCGHSA enrichment
  14. 2026-07-16 17:04 UTCCISA KEV update
  15. 2026-07-16 15:36 UTCGHSA enrichment
  16. 2026-07-16 11:58 UTCGHSA enrichment
  17. 2026-07-16 08:20 UTCGHSA enrichment
  18. 2026-07-16 04:43 UTCGHSA enrichment
  19. 2026-07-16 01:06 UTCGHSA enrichment
  20. 2026-07-15 21:29 UTCGHSA enrichment
  21. 2026-07-15 17:52 UTCGHSA enrichment
  22. 2026-07-15 16:49 UTCCISA KEV update
  23. 2026-07-15 15:04 UTCCISA KEV update
  24. 2026-07-15 14:14 UTCGHSA enrichment
  25. 2026-07-15 10:35 UTCGHSA enrichment
  26. 2026-07-15 06:55 UTCGHSA enrichment
  27. 2026-07-15 03:18 UTCGHSA enrichment
  28. 2026-07-14 23:42 UTCGHSA enrichment
  29. 2026-07-14 20:05 UTCGHSA enrichment
  30. 2026-07-14 18:05 UTCCISA KEV update
  31. 2026-07-14 16:26 UTCGHSA enrichment
  32. 2026-07-14 12:49 UTCGHSA enrichment
  33. 2026-07-14 09:12 UTCGHSA enrichment
  34. 2026-07-14 05:34 UTCGHSA enrichment
  35. 2026-07-14 01:57 UTCGHSA enrichment
  36. 2026-07-13 22:20 UTCGHSA enrichment
  37. 2026-07-13 18:43 UTCGHSA enrichment
  38. 2026-07-13 17:07 UTCCISA KEV update
  39. 2026-07-13 15:05 UTCGHSA enrichment
  40. 2026-07-13 11:28 UTCGHSA enrichment
  41. 2026-07-13 07:51 UTCGHSA enrichment
  42. 2026-07-13 04:14 UTCGHSA enrichment
  43. 2026-07-13 00:37 UTCGHSA enrichment
  44. 2026-07-12 20:59 UTCGHSA enrichment
  45. 2026-07-12 17:22 UTCGHSA enrichment
  46. 2026-07-12 13:45 UTCGHSA enrichment
  47. 2026-07-12 10:08 UTCGHSA enrichment
  48. 2026-07-12 06:31 UTCGHSA enrichment
  49. 2026-07-12 02:54 UTCGHSA enrichment
  50. 2026-07-11 23:17 UTCGHSA enrichment
  51. 2026-07-11 19:40 UTCGHSA enrichment
  52. 2026-07-11 16:03 UTCGHSA enrichment
  53. 2026-07-11 12:26 UTCGHSA enrichment
  54. 2026-07-11 08:49 UTCGHSA enrichment
  55. 2026-07-11 05:12 UTCGHSA enrichment
  56. 2026-07-11 01:34 UTCGHSA enrichment
  57. 2026-07-10 21:56 UTCGHSA enrichment
  58. 2026-07-10 18:19 UTCGHSA enrichment
  59. 2026-07-10 17:52 UTCCISA KEV update
  60. 2026-07-10 14:40 UTCGHSA enrichment
  61. 2026-07-10 11:03 UTCGHSA enrichment
  62. 2026-07-10 07:25 UTCGHSA enrichment
  63. 2026-07-10 03:48 UTCGHSA enrichment
  64. 2026-07-10 00:11 UTCGHSA enrichment
  65. 2026-07-09 20:33 UTCGHSA enrichment
  66. 2026-07-09 16:56 UTCGHSA enrichment
  67. 2026-07-09 13:19 UTCGHSA enrichment
  68. 2026-07-09 09:41 UTCGHSA enrichment
  69. 2026-07-09 06:04 UTCGHSA enrichment
  70. 2026-07-09 02:27 UTCGHSA enrichment
  71. 2026-07-08 22:51 UTCGHSA enrichment
  72. 2026-07-08 19:14 UTCGHSA enrichment
  73. 2026-07-08 15:34 UTCGHSA enrichment
  74. 2026-07-08 15:12 UTCEPSS rescore
  75. 2026-07-08 11:57 UTCGHSA enrichment

Publicly available exploits

(10 references)

Working exploit code is in the public domain (9 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCsylhetyhackvenger/HIKRAVEN
    First seen Jul 17, 2026

    HIKRAVEN - Advanced Hikvision Security Assessment Platform for professional penetration testing. Detects 12+ CVEs including CVE-2021-36260 (CRITICAL), tests default credentials, performs network discovery, and generates professional security reports. For authorized security testing only! 🛡️🔒

    Open source ↗
  • GitHub PoCyanxinwu946/hikvision-unauthenticated-rce-cve-2021-36260
    First seen Jan 21, 2026

    海康威视RCE漏洞 批量检测和利用工具

    Open source ↗
  • GitHub PoCaengussong/hikvision_probe
    First seen Nov 26, 2024

    Identify hikvision ip and probe for cve-s (CVE-2017-7921, CVE-2022-28171, CVE-2021-36260)

    Open source ↗
  • GitHub PoCtamim1089/HikvisionExploiter
    First seen Jul 5, 2024

    HikvisionExploiter is a Python-based utility designed to automate exploitation and directory accessibility checks on Hikvision network cameras exploiting the Web interface Version 3.1.3.150324 + CVE-2021-36260 Detection

    Open source ↗
  • GitHub PoCNanoTrash/hikvision_brute
    First seen Mar 7, 2024

    Brute Hikvision CAMS with CVE-2021-36260 Exploit

    Open source ↗
  • GitHub PoCCuerz/CVE-2021-36260
    First seen Aug 3, 2022

    海康威视RCE漏洞 批量检测和利用工具

    Open source ↗
  • GitHub PoCtuntin9x/CheckHKRCE
    First seen Dec 13, 2021

    CVE-2021-36260

    Open source ↗
  • GitHub PoCTaroballzChen/CVE-2021-36260-metasploit
    First seen Nov 3, 2021

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

    Open source ↗
  • GitHub PoCAiminsun/CVE-2021-36260
    First seen Oct 27, 2021

    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.

    Open source ↗
  • Exploit-DBEDB-50441
    First seen Oct 25, 2021

    Hikvision Web Server Build 210702 - Command Injection

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2021-36260?
CVE-2021-36260 is a critical vulnerability published on September 22, 2021. 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.
When was CVE-2021-36260 disclosed?
CVE-2021-36260 was first published in the National Vulnerability Database on September 22, 2021, with the most recent update on November 10, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-36260 actively exploited?
Yes. CISA added CVE-2021-36260 to the Known Exploited Vulnerabilities catalog on January 10, 2022, affecting Hikvision Security cameras web server. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2021-36260?
CVE-2021-36260 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2021-36260?
CVE-2021-36260 affects Hikvision Security cameras web server. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2021-36260?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-36260, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2021-36260

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