Page generated: 08 Nov 2026, 06:30 UTC
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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.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
2.1/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 99.87%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 12 documents and public datasets.

Hype components

Headline sample (25%)
60/100
Press, 30 days (60%)
10/100
Grounded branding (15%)
0/100
HYPE TOTAL21/100

Sources and documents

dev.ua
Press · 09 Oct 2026, 07:00 · Hackers massively attack Hikvision cameras in Ukraine due to critical vulnerability - dev.ua
CyberSecurityNews
Press · 08 Oct 2026, 07:00 · Hikvision Camera Vulnerability Targeted in Remote Code Execution Exploitation Attempts - CyberSecurityNews
The Hacker News
Press · 26 Jun 2026, 07:00 · New SharkLoader Malware Deploys Cobalt Strike in StrikeShark Cyberattacks - The Hacker News
Rapid7
Press · 16 Jun 2026, 07:00 · Rapid7 Analysis: CVE-2021-36260 - Rapid7
CyberSecurityNews
Press · 29 Oct 2025, 07:00 · HikvisionExploiter – An Automated Exploitation Toolkit Targeting Hikvision IP Cameras - CyberSecurityNews
See all 12 source documents
Infosecurity Magazine
Press · 20 Dec 2024, 08:00 · Webcams and DVRs Vulnerable to HiatusRAT, FBI Warns - Infosecurity Magazine
Security Affairs
Press · 23 Aug 2022, 07:00 · Over 80,000 Hikvision cameras can be easily hacked - Security Affairs
BleepingComputer
Press · 22 Aug 2022, 07:00 · Over 80,000 exploitable Hikvision cameras exposed online - BleepingComputer
Cyfirma
Press · 21 Aug 2022, 07:00 · Thousands of Hikvision Cameras are still vulnerable and can be potentially exploited - Cyfirma
Security Affairs
Press · 09 Dec 2021, 08:00 · Moobot botnet spreads by exploiting CVE-2021-36260 flaw in Hikvision products - Security Affairs
The Hacker News
Press · 09 Dec 2021, 08:00 · Over 300,000 MikroTik Devices Found Vulnerable to Remote Hacking Bugs - The Hacker News
Security Affairs
Press · 22 Sep 2021, 07:00 · Hikvision cameras could be remotely hacked due to critical flaw - Security Affairs

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 2.1 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
TaroballzChen/CVE-2021-36260-metasploit207Python03 Nov 2021, 08:26
Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 99.9%
Attention, last 30 days
1 distinct story titles; 1 press documents; 1 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:28.999775+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
22 Sep 2021, 07:00
Published
22 Sep 2021, 12:07
Added to the CISA KEV catalog
10 Jan 2022, 00:00
Latest press mention
09 Oct 2026, 07:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories