Security readout for executives and security teams
CVE-2009-3976 affects Labtam ProFTP 2.9. A malicious or compromised FTP server can send an overly long welcome message when the client connects, causing the application to crash or potentially run attacker-controlled code. This mainly matters where legacy ProFTP clients still connect to external or untrusted FTP servers. Exposure is most likely on workstations or servers running Labtam ProFTP 2.9 that initiate FTP connections. Risk increases when users connect to unknown, partner-managed, internet-hosted, or compromised FTP servers. Evidence does not identify other affected versions or products. Treat as a legacy software cleanup item with security relevance. Prioritize systems that still use Labtam ProFTP 2.9 for external file transfers. Urgency is lower than broadly exploitable internet-facing flaws, but the code execution impact justifies retiring or isolating the software. Mitigation focus: Identify and remove Labtam ProFTP 2.9 where no longer required.; Check Labtam or trusted vendor guidance for fixed versions or replacement options.; Avoid connecting vulnerable clients to untrusted or internet-hosted FTP servers..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2009-3976 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- proftpd-welcome-bo(52730)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
