CVE-2023-47257 Code injection in n/a

What is CVE-2023-47257?

CVE-2023-47257 is a high-severity code injection vulnerability in n/a, published on 1 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-94

Which versions are affected by CVE-2023-47257?

It affects 2 products.

Products include Connectwise Automate, Connectwise Screenconnect.

How do I fix CVE-2023-47257?

No fix has been published for CVE-2023-47257 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-47257 being exploited?

There is no known exploitation of CVE-2023-47257 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2021-35066 XML external entity in n/a Critical 9.8
• CVE-2020-15027 Auth bypass in n/a Critical 9.8
• CVE-2025-11492 HTTP Configuration and Encryption in Transit Critical 9.6
• CVE-2026-9089 Supply chain in Automate High 8.8
• CVE-2025-11493 Self-Update Verification Mechanism Process in ConnectWise Automate High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4ghr-47h5-v2hf.