Security readout for executives and security teams
Plain-English summary
CVE-2001-0187 affects wu-ftp 2.6.1 and earlier when debug mode is enabled. A remote attacker could abuse malformed FTP input to execute arbitrary commands. Business urgency depends on whether legacy wu-ftp servers still exist, especially internet-facing systems.
Executive priority
Treat as a targeted legacy-risk cleanup item. Escalate quickly if wu-ftp 2.6.1 or earlier is internet-facing with debug enabled.
Technical view
The issue is a format string vulnerability in wu-ftp debug handling. When debug mode is enabled, a malformed argument recorded in a PASV port assignment can allow remote arbitrary command execution. The public record does not provide CVSS, CWE, patch details, or confirmed active exploitation.
Likely exposure
Organizations are likely exposed only if they still run wu-ftp 2.6.1 or earlier with debug mode enabled. Internet-facing FTP services carry the highest concern.
Exploitation context
The CVE describes remote exploitation through malformed FTP input. KEV is false, and the provided sources do not confirm active exploitation in the wild.
Researcher notes
Evidence is limited to the CVE description and IBM X-Force reference. No CVSS, CWE, patch, or exploitation confirmation is provided in the source bundle.
Mitigation direction
- Inventory FTP servers and identify any wu-ftp deployments.
- Disable debug mode where wu-ftp is still running.
- Remove or replace unsupported legacy wu-ftp services where possible.
- Check vendor or distribution guidance for fixed packages or migration advice.
- Restrict network access to FTP services that cannot be immediately retired.
Validation and detection
- Confirm whether wu-ftp is present on any server.
- Verify wu-ftp version is not 2.6.1 or earlier.
- Review configuration to confirm debug mode is disabled.
- Prioritize validation for internet-facing FTP endpoints.
- Document remaining legacy FTP dependencies and compensating controls.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2001-0187 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
- wuftp-debug-format-string(6020)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.