Vulnerability Intelligence Report
WS_FTP Server Arbitrary File Upload
CVE-2023-42659
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.
No Active Exploit Signals
CVSS Base Score
9.1
CRITICAL
Exploitability:3.2
Impact Score:5.3
EPSS Probability:0.90%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-434 ↗CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Progress Software Corporation | WS_FTP Server | 8.8.0 < 8.8.4 (affected), 8.7.0 < 8.7.6 (affected) |
Threat Intelligence Signals
EPSS Score
0.896%
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Progress Software Corporation · Vendor · USA |
| Reserved | 2023-09-12T13:30:29 |
| Published | 2023-11-07T15:13:40 |
| Last Updated | 2024-09-04T15:24:41 |
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