Security readout for executives and security teams
CVE-2011-4800 is a directory traversal flaw in Serv-U FTP Server before 11.1.0.5. An authenticated FTP user could escape intended directory boundaries to read or write files and list or create directories. The business risk is highest where old Serv-U systems remain internet-facing or shared with low-trust users. Exposure is likely limited to legacy Serv-U FTP Server deployments older than 11.1.0.5. Risk increases when FTP access is internet-facing, broadly provisioned, or used by partners, customers, or shared service accounts. Treat this as high priority for any remaining legacy Serv-U deployment. The flaw can affect confidentiality and integrity, but requires authentication. Immediate urgency depends on exposure, user trust level, and whether sensitive files are reachable through FTP. Mitigation focus: Upgrade Serv-U FTP Server to 11.1.0.5 or later where applicable.; Check current vendor release notes and support guidance for legacy upgrade paths.; Restrict FTP access to trusted networks while remediation is pending..
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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File access behavior lookup
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Open ATT&CK lookupCVE-2011-4800 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
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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
Products and packages named in the record
CWE details
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