ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve…
Priority LOW 39CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-94.
Summary
ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via crafted messages.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01044 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:connectwise:automate:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | ConnectWise |
| cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:* | before 23.8.5 | Vulnerable | ConnectWise |
- cpe:2.3:a:connectwise:automate:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·ConnectWise
- cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:* Versions before 23.8.5 Vulnerable ·ConnectWise
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47257
- 2026-10-03 Alias added: GHSA-4ghr-47h5-v2hf
References
More ConnectWise Automate vulnerabilities
- TI-2020-11814 ConnectWise Automate through 2020.x has insufficient validation on certain authentication… CVSS 3.1CRITICAL 9.8
- TI-2021-14026 An XXE vulnerability exists in ConnectWise Automate before 2021.0.6.132. CVSS 3.1CRITICAL 9.8
- TI-2025-10528 HTTP Configuration and Encryption in Transit CVSS 3.1CRITICAL 9.6
- TI-2020-12466 The Agent Update System in ConnectWise Automate before 2020.8 allows Privilege Escalation… CVSS 3.1HIGH 8.8
- TI-2026-07986 The ConnectWise Automate™ Agent does not fully verify the authenticity of components… CVSS 3.1HIGH 8.8
- TI-2025-10529 Self-Update Verification Mechanism Process in ConnectWise Automate CVSS 3.1HIGH 8.8
Sources
- CVE-2023-47257 · CVE Program
- CVE-2023-47257 · NVD
- FIRST EPSS
- GHSA-4ghr-47h5-v2hf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences