Security readout for executives and security teams
This is an old IIS FTP weakness that could let a remote attacker identify Guest accounts in trusted Windows domains using a specially formed username. It is not described as code execution, but account enumeration can support later intrusion attempts. Evidence provided does not include CVSS, confirmed exploitation, or detailed patch text. Exposure is most likely on legacy systems running IIS FTP 5.0 or earlier, especially where FTP is reachable remotely and domain trust relationships exist. Modern environments are unlikely to be affected unless they retain obsolete Windows/IIS FTP services. Prioritize if legacy IIS FTP remains internet-accessible or tied to trusted domains. For organizations without IIS 5.0-era FTP, urgency is low. The main business risk is that attackers could use account discovery to support broader credential or trust-path attacks. Mitigation focus: Inventory any IIS FTP 5.0 or earlier deployments.; Review Microsoft MS01-026 for vendor-approved remediation.; Restrict remote access to legacy FTP services during assessment..
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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CVE-2001-0335 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
- MS01-026CVE reference · vendor-advisory, x_refsource_MS
- iis-ftp-domain-authentication(6545)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.