Connectwise
CVE-2022-36781
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Brute-force prevention, rate limiting
|
| Impact | CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
ConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force attacks on custom access tokens due to inadequate rate-limiting controls in the default. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
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.
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Technical ContextAI · show details
This vulnerability is classified under CWE-307. ConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force attacks on custom access tokens due to inadequate rate-limiting controls in the default configuration. Attackers could exploit this vulnerability to gain unauthorized access by repeatedly attempting access code combinations. ConnectWise has addressed this issue in later versions by implementing rate-limiting controls as a preventive measure against brute force attacks. Affected products include: Connectwise Screenconnect.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
ConnectWise ScreenConnect versions 22.6 and below contained a flaw allowing potential brute force attacks on custom access tokens due to inadequate rate-limiting controls in the default configuration. Attackers could exploit this vulnerability to gain unauthorized access by repeatedly attempting access code combinations. ConnectWise has addressed this issue in later versions by implementing rate-limiting controls as a preventive measure against brute force attacks.
Threat Intelligence Overview
NVD
CVE.org
EPSS
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
More in Connectwise
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Unauthorized file transfer and execution in the ConnectWise ScreenConnect client (all versions prior to 26.6.5) lets a p
services/system_io/actionprocessor/System.rails in ConnectWise Manage 2017.5 is vulnerable to Cross-Site Request Forgery
ConnectWise Control before 22.9.10032 (formerly known as ScreenConnect) fails to validate user-supplied parameters such
services/system_io/actionprocessor/Contact.rails in ConnectWise Manage 2017.5 allows arbitrary client-side JavaScript co
In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signed, additio
An XXE vulnerability exists in ConnectWise Automate before 2021.0.6.132. Rated critical severity (CVSS 9.8), this vulner
ConnectWise Automate through 2020.x has insufficient validation on certain authentication paths, allowing authentication
Integrity-check and server-side validation weaknesses in the ConnectWise ScreenConnect server's extension subsystem allo
A cryptographic authentication bypass vulnerability in ConnectWise ScreenConnect allows remote attackers who gain access
Code integrity failure in ConnectWise Automate Agent versions prior to 2026.5 allows adjacent network attackers to subst
The Agent Update System in ConnectWise Automate before 2020.8 allows Privilege Escalation because the _LTUPDATE folder h
GitHub PoC
Exploit-DB