CVE-2023-47257

HIGHNVD 8.18.1—

8.1

ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via crafted messages.

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 91.4%
KEV: Not listed

Published

February 1, 2024

Last Modified

May 7, 2025

References (4)

cve@mitrehttps://web.archive.org/web/20240208140218/https://gotham-security.com/screenconnect-cve-2023-47256
cve@mitrehttps://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.8-security-fix
af854a3a-2127-422b-91ae-364da2661108https://web.archive.org/web/20240208140218/https://gotham-security.com/screenconnect-cve-2023-47256
af854a3a-2127-422b-91ae-364da2661108https://www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.8-security-fix

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2023-47257?

CVE-2023-47257 is a high vulnerability published on February 1, 2024. ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via crafted messages.

When was CVE-2023-47257 disclosed?

CVE-2023-47257 was first published in the National Vulnerability Database on February 1, 2024, with the most recent update on May 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-47257 actively exploited?

CVE-2023-47257 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-47257?

CVE-2023-47257 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2023-47257?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-47257, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-47257

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-47257?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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