CVE-2023-40044
Progress WS_FTP Server: Deserialization of Untrusted Data
- Act now
- CVSS 10.0 Critical
- CISA KEV, due
- VulnCheck KEV
- ENISA exploited-vulnerability catalog
What it is
ReportedProgress WS_FTP Server contains a deserialization of untrusted data vulnerability in the Ad Hoc Transfer module that allows an authenticated attacker to execute remote commands on the underlying operating system.
Dates
What is affected
ReportedProgress; WS_FTP Server. Product-level identification only; no affected-version conclusion is available from this field.
Dates
Urgency and basis
Tracker computedAct now
Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".
Dates
Exploitation evidence
ReportedActive exploitation · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Dates
What to do
ReportedApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Source remediation ↗Dates
Detection and validation
Mapped metadata availability only. These signals do not change priority.
Sigma
Potential QBot Activity. Level: critical. Status: stable.
Open Sigma metadataAtomic
Abuse Nslookup with DNS Records. Executor: powershell. Elevation: not reported.
Open Atomic metadataNuclei
WS_FTP Server - Insecure Deserialization. Check identifier: CVE-2023-40044.
Open Nuclei metadata
Evidence detail
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