Security readout for executives and security teams
Plain-English summary
This is an old Internet Explorer flaw where a malicious website could bypass frame domain checks and read certain local client files. It matters mainly where obsolete IE 5.5 or earlier remains in use for legacy applications or devices.
Executive priority
Treat this as a legacy exposure issue, not a modern internet-wide emergency. Prioritize remediation if regulated data or privileged users still depend on obsolete Internet Explorer browsing.
Technical view
CVE-2001-0246 is a variant of the Internet Explorer Frame Domain Verification issue. IE 5.5 and earlier failed to properly verify a frame's domain, allowing a remote site operator to move information from a local frame to a different-domain frame.
Likely exposure
Exposure is likely limited to systems that still run Internet Explorer 5.5 or earlier. The source bundle does not identify modern affected products, server-side impact, or specific supported platforms.
Exploitation context
The provided sources describe remote website operators abusing browser frame handling after a user visits a crafted site. No cited source or KEV entry indicates active exploitation for this CVE.
Researcher notes
The record is sparse: no CVSS, CWE, detailed affected CPEs, or exploit status are provided. Analysis is based on the CVE description and Microsoft bulletin reference only.
Mitigation direction
- Identify and retire Internet Explorer 5.5 or earlier installations.
- Apply Microsoft guidance from security bulletin MS01-027 where legacy systems still exist.
- Move legacy web applications to supported browsers and supported operating systems.
- Restrict web browsing from systems that cannot be upgraded.
- Check vendor guidance before applying compensating controls in unsupported environments.
Validation and detection
- Inventory endpoints for Internet Explorer 5.5 or earlier.
- Review legacy application dependencies that require old Internet Explorer versions.
- Confirm MS01-027 guidance or equivalent updates were applied where applicable.
- Verify unsupported browser use is blocked or tightly isolated.
- Document any exception owners, business need, and retirement date.
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-2001-0246 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
- MS01-027CVE reference · vendor-advisory, x_refsource_MS
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.