What is the CVSS score of CVE-2022-3365?

CVE-2022-3365 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: 52.6%.

Is there a public PoC exploit available for CVE-2022-3365?

Yes, a public proof-of-concept exploit is available for CVE-2022-3365. Prioritise patching immediately. EPSS: 52.6%.

How to fix or mitigate CVE-2022-3365?

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

CVE-2022-3365

CRITICAL

Use of a Broken or Risky Cryptographic Algorithm (CWE-327)

2025-01-28 cve@rapid7.com

Code Injection

9.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-327 OWASP Top 10:2025 A04:2025 - Cryptographic Failures ASVS 5.0 V11 - Cryptography Approved algorithm selection
Impact	CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 52.60%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Emergency Immediate action required. Why: CRITICAL + EPSS > 30%, no patch available.

No patch listed yet 52.6% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Due to reliance on a trivial substitution cipher, sent in cleartext, and the reliance on a default password when the user does not set a password, the Remote Mouse Server by Emote Interactive can be. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 52.6%.

Earlier versions of this analysis (1)

v1 Mar 28, 2026 - 18:06 CVSS 9.8

Trivial cipher and default password in Remote Mouse Server enable unauthenticated OS command injection on desktop systems.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected ProductsAI

See vendor advisory for affected versions.

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

This vulnerability is classified under CWE-327. Due to reliance on a trivial substitution cipher, sent in cleartext, and the reliance on a default password when the user does not set a password, the Remote Mouse Server by Emote Interactive can be abused by attackers to inject OS commands over theproduct's custom control protocol. A Metasploit module was written and tested against version 4.110, the current version when this CVE was reserved. Version information: version 4.110.

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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

DescriptionCVE.org

Due to reliance on a trivial substitution cipher, sent in cleartext, and the reliance on a default password when the user does not set a password, the Remote Mouse Server by Emote Interactive can be abused by attackers to inject OS commands over theproduct's custom control protocol. A Metasploit module was written and tested against version 4.110, the current version when this CVE was reserved.

Executive ViewAI

Why It Matters

CVE-2022-3365 presents critical security risk, a broken cryptography vulnerability rated CVSS 9.8. Successful exploitation could critically impact the confidentiality, integrity, and availability of affected systems. With an EPSS score of 53%, this vulnerability faces very high likelihood 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

Threat Score

5.0/10

Composite threat intelligence

EPSS Score

52.6%

Top 2% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

EPSS POC (1)

GitHub Metasploit

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 52.6%

Patch available No

Active threat Yes

Deciding rule

CRITICAL + EPSS > 30%, no patch 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.

SSVC AssessmentENISA

SSVC Decision· derived

Immediate

Exploitation· derived

Active

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

Very High

Priority Score

137

Low Medium High Critical

KEV: 0

EPSS: +53

CVSS: +49

PoC: +20

Weaponized: +15

Threat intel: 0

Gov advisory: 0

Attack Technique

Code Injection CRITICAL

Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.