Security readout for executives and security teams
Plain-English summary
This is an old Microsoft web server sample-file issue. If the showcode.asp sample page is left reachable on IIS or Site Server, a remote attacker could use it to read files from the server. The source bundle does not provide version scope, CVSS, or confirmed active exploitation.
Executive priority
Prioritize this where legacy Microsoft web servers remain externally reachable. It is not a modern broad-platform emergency based on the bundle, but exposed legacy sample files can create direct sensitive-data exposure.
Technical view
CVE-1999-0736 describes arbitrary file read through the showcode.asp sample file in IIS and Site Server. The bundle identifies Microsoft bulletin MS99-013 and an OVAL definition, but does not include affected version details or a validated patch state.
Likely exposure
Most exposure would be legacy IIS or Site Server systems that still host sample files, especially internet-facing servers. Modern environments are likely unaffected unless old sample content was migrated forward.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The described impact is remote file disclosure, which can expose configuration, source, credentials, or other sensitive local files if reachable.
Researcher notes
Evidence is sparse: no CVSS, CWE, affected versions, or exploit-status detail is provided. Treat product scope as limited to the named IIS and Site Server showcode.asp sample-file condition until Microsoft advisory details are confirmed.
Mitigation direction
- Check Microsoft MS99-013 and current vendor guidance for approved remediation.
- Remove showcode.asp and unnecessary IIS or Site Server sample files.
- Restrict public access to legacy sample directories.
- Retire or isolate unsupported IIS and Site Server installations.
- Review exposed servers for sensitive file disclosure indicators.
Validation and detection
- Inventory IIS and Site Server assets, including archived or legacy hosts.
- Confirm whether showcode.asp exists under web-accessible paths.
- Verify sample directories are removed or access-controlled.
- Review web logs for requests targeting showcode.asp.
- Use the referenced OVAL definition where compatible with scanning tooling.
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-1999-0736 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:932CVE reference · vdb-entry, signature
- MS99-013CVE 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.