Security readout for executives and security teams
An old NcFTPd FTP server flaw can let an unauthenticated remote user crash the FTP service. The disclosed impact is denial of service, not confirmed data theft or system takeover. Business urgency depends on whether any internet-facing or critical legacy FTP service still runs NcFTPd before 2.4.1. Exposure is most likely in legacy environments still running NcFTPd FTP server versions before 2.4.1. The source bundle has no CPEs or normalized affected vendor data, so asset owners must validate by service inventory and version evidence. Treat as high priority only if legacy NcFTPd remains exposed or supports critical workflows. Otherwise, handle through legacy service eradication and perimeter reduction because the known impact is service outage, not confirmed compromise. Mitigation focus: Upgrade affected NcFTPd installations to 2.4.1 or later where available.; Retire unsupported NcFTPd instances if business use is no longer required.; Restrict FTP exposure to trusted networks or authenticated access paths..
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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CWE-193: Exact CWE lookup
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Open ATT&CK lookupCVE-1999-1568 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ncftpd-port-bo(1833)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.
Off-by-one Error
Off-by-one Error represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.