Security readout for executives and security teams
Plain-English summary
This is an old Microsoft IIS/Site Server issue where an exposed sample file, codebrws.asp, could let a remote attacker read files from the server. Business risk depends on whether legacy web servers still host that sample file. The source bundle does not provide CVSS, affected versions, or active exploitation evidence.
Executive priority
Treat this as a legacy hygiene issue with potentially serious confidentiality impact if exposed. Prioritize validation where old Microsoft web servers remain internet-facing or hold sensitive data.
Technical view
CVE-1999-0739 describes arbitrary file read through the codebrws.asp sample file in IIS and Site Server. Exposure appears conditional on that sample file being present and remotely accessible. The provided records cite Microsoft MS99-013, but do not include version scope, CVSS, CWE, or confirmed exploitation data.
Likely exposure
Likely limited to legacy IIS or Site Server deployments, archived web roots, lab systems, or forgotten sample directories where codebrws.asp remains web-accessible.
Exploitation context
The source bundle supports remote arbitrary file read, but not active exploitation. KEV is false, and no cited source in the bundle confirms exploitation in the wild.
Researcher notes
Evidence is sparse: no CVSS, CWE, affected version range, or exploit-status detail is included. Analysis should stay scoped to IIS/Site Server deployments exposing the named sample file and should rely on MS99-013 for remediation specifics.
Mitigation direction
- Review Microsoft MS99-013 guidance for the vendor-supported remediation.
- Remove codebrws.asp from any production or internet-accessible web root.
- Remove unused IIS and Site Server sample applications from legacy servers.
- Restrict access to legacy sample directories pending removal.
- Retire or isolate unsupported IIS and Site Server systems where possible.
Validation and detection
- Inventory legacy IIS and Site Server hosts.
- Search web roots and deployment archives for codebrws.asp.
- Confirm codebrws.asp is not reachable from untrusted networks.
- Review web logs for historical requests to codebrws.asp.
- Document whether MS99-013 guidance was applied on remaining legacy hosts.
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-1999-0739 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
- 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.