CVE-2023-42659
9.1 · CRITICALOverview
CVE-2023-42659 is a critical-severity vulnerability affecting progress ws_ftp_server. It was published on November 7, 2023 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In WS_FTP Server versions prior to 8.7.6 and 8.8.4, an unrestricted file upload flaw has been identified. An authenticated Ad Hoc Transfer user has the ability to craft an API call which allows them to upload a file to a specified location on the underlying operating system hosting the WS_FTP Server application.
Remediation
Check the references section for vendor advisories and patches from progress. Update ws_ftp_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| progress | ws_ftp_server | >= 0, < 8.7.6 | Affected |
Frequently Asked Questions
What is CVE-2023-42659?
CVE-2023-42659 is a critical-severity vulnerability affecting progress ws_ftp_server. It was published on November 7, 2023 and has a CVSS 3.1 base score of 9.1 (CRITICAL).
How severe is CVE-2023-42659?
This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-42659?
Check the references section for vendor advisories and patches from progress. Update ws_ftp_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-42659?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-42659 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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