How severe is CVE-2023-47257?

CVE-2023-47257 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-47257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-47257?

CVE-2023-47257 primarily affects Connectwise Automate. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-47257?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-47257 have an EU (EUVD) identifier?

Yes. CVE-2023-47257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-51388.

When was CVE-2023-47257 published?

CVE-2023-47257 was published on 2024-02-01 and last updated on 2026-06-17.

CVE-2023-47257

CVE-2023-47257 is a high-severity vulnerability in Connectwise Automate with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-51388
Weakness: CWE-94
Affected product: Connectwise Automate
Published: 2024-02-01
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-47257?: ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via crafted messages.
How severe is CVE-2023-47257?: CVE-2023-47257 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-47257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-47257?: CVE-2023-47257 primarily affects Connectwise Automate. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-47257?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-47257 have an EU (EUVD) identifier?: Yes. CVE-2023-47257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-51388.
When was CVE-2023-47257 published?: CVE-2023-47257 was published on 2024-02-01 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:connectwise:automate:-:*:*:*:*:*:*:*
cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:*

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