What is the CVSS score of CVE-2020-36925?

CVE-2020-36925 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2020-36925?

Yes, a public proof-of-concept exploit is available for CVE-2020-36925. Prioritise patching immediately. EPSS: 0.5%.

How to fix or mitigate CVE-2020-36925?

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Monitor vendor channels for patch availability.

CVE-2020-36925

CRITICAL

Insufficient Entropy (CWE-331)

2026-01-06 disclosure@vulncheck.com

Authentication Bypass

9.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-331 OWASP Top 10:2025 A04:2025 - Cryptographic Failures ASVS 5.0 V11 - Cryptography Entropy requirements
Impact	CVSS 9.8 (Critical). No auth, network vector, low complexity. PoC available. EPSS 0.50%. Surveillance systems contain sensitive visual data. Compromised DVR/NVR systems have been used for espionage and as botnet nodes.
Exploit ScenarioDerived	An attacker writes a script that iterates through the numeric session ID range, testing each against the Arteco web interface. Within minutes, they find a valid session and gain access to all camera feeds and recorded footage.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.

No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Arteco DVR/NVR web client uses session IDs with insufficient complexity, allowing brute-force attacks to hijack active sessions and access live camera streams without authentication. PoC available.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:54 CVSS 9.8

Arteco DVR/NVR uses low-complexity session IDs that can be brute-forced to access live camera feeds without authentication.

RemediationAI

Contact Arteco for a patch. Restrict management interface to trusted networks. Implement additional network-level authentication (VPN).

Affected ProductsAI

Arteco Web Client DVR/NVR

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Session IDs are generated from a limited numeric range (CWE-331), making brute-force feasible. An attacker can iterate through possible session values to find an active session and inherit the corresponding user's access to camera feeds and recordings.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

PoC Detected

Jan 08, 2026 - 18:09 vuln.today

Public exploit code

CVE Published

Jan 06, 2026 - 16:15 nvd

CRITICAL 9.8

DescriptionCVE.org

Arteco Web Client DVR/NVR contains a session hijacking vulnerability with insufficient session ID complexity that allows remote attackers to bypass authentication. Attackers can brute force session IDs within a specific numeric range to obtain valid sessions and access live camera streams without authorization.

Executive ViewAI

Why It Matters

CVE-2020-36925 presents critical security risk rated CVSS 9.8. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. Proof-of-concept code is publicly available, increasing the risk of exploitation. Organizations should apply vendor updates immediately when available and implement compensating controls in the interim.

Business Impact: Severe

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score

0.5%

Top 35% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

Exploit-DB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC Yes

EPSS 0.5%

Patch available No

Active threat No

Deciding rule

CRITICAL severity + public POC available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.