Security readout for executives and security teams
This flaw let a malicious web server crash or potentially take over very old Internet Explorer clients by sending oversized HTTP header values. The business risk is mainly legacy exposure: systems still using IE 5.01, 5.5, or 6.0 could be compromised when browsing hostile content. Exposure is expected only where very old Internet Explorer versions or dependent URLMON.DLL components remain in use. Modern environments are unlikely to be affected unless they retain unsupported legacy Windows or browser stacks for business applications. Prioritize this if legacy Internet Explorer exists in production, OT, kiosk, or compatibility environments. Otherwise, record it as historical technical debt and verify no affected browser versions remain. Mitigation focus: Inventory systems for Internet Explorer 5.01, 5.5, or 6.0.; Apply Microsoft MS03-015 guidance where those versions remain in scope.; Retire or isolate unsupported legacy browsers and hosts that cannot be updated..
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2003-0113 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
- oval:org.mitre.oval:def:926CVE reference · vdb-entry, signature
- MS03-015CVE 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.