CVE-2023-40044
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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. Source description excerpt; complete tracked detail loads below.
NVD published: Sep 27, 2023 · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
What is affected
ReportedProgress — WS_FTP Server. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Sep 27, 2023 · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
Urgency and basis
ReportedAct now · 574.7
Tracker decision tier from the evidence detailed below · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
Exploitation evidence
ReportedActive exploitation · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Active since: Oct 5, 2023 · CISA KEV added: Oct 5, 2023 · VulnCheck KEV added: Oct 1, 2023 · ENISA added: Oct 5, 2023 · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
What to do
ReportedApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Source remediation ↗Tracked source remediation field · Source record updated: Aug 9, 2026 · Tracker snapshot: Aug 9, 2026
Evidence detail
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