Security readout for executives and security teams
Plain-English summary
A very old flaw in NCSA HTTP daemon version 1.3 (an early web server from the mid-1990s) can be tricked into running attacker-chosen commands on the host. In modern environments this is only a concern if legacy hardware or forgotten systems are still running this specific server, which is functionally obsolete today.
Executive priority
Low priority for typical enterprises. Treat as a legacy hygiene item: verify no NCSA HTTPd instances exist in the environment, then close out. No urgent business impact expected unless legacy systems are known to remain in production.
Technical view
Per the CVE record, NCSA HTTPd 1.3 contains a buffer overflow that permits remote command execution. The public entry provides no CVSS score, CWE, or patch reference beyond the IBM X-Force listing. Root cause details, offset, and vector specifics are not enumerated in the bundled sources, but the class is a classic pre-2000 stack/heap overflow in the HTTP request handler.
Likely exposure
Extremely low in modern estates. NCSA HTTPd was superseded by Apache in the mid-1990s and is no longer maintained. Exposure is plausible only on abandoned lab systems, legacy appliances, or archival hosts still serving HTTP on port 80 with this specific daemon.
Exploitation context
Not listed in CISA KEV. The sources do not cite active exploitation, published proof-of-concept, or current threat-actor use. Given the age (1999) and obsolescence of the product, mainstream exploitation activity today is not indicated by the provided evidence.
Researcher notes
The bundled record is minimal: no CVSS, no CWE, no affected CPE, and only an IBM X-Force cross-reference. Analysts wanting deeper technical context should consult archived NCSA HTTPd advisories and the X-Force entry. Confidence in scope is limited by the absence of vendor advisories in the source bundle.
Mitigation direction
- Inventory web servers and confirm no host still runs NCSA HTTPd 1.3.
- Decommission or replace any surviving NCSA HTTPd instance with a supported web server.
- Restrict management network access to legacy assets pending removal.
- Consult vendor or platform guidance for any embedded appliance that bundles NCSA-derived code.
Validation and detection
- Query asset inventory and banner-grabbing tools for HTTP Server headers referencing NCSA/1.3.
- Run authenticated scans against candidate hosts to enumerate installed HTTP daemons.
- Review historical scan and CMDB records for any NCSA HTTPd occurrences.
- Confirm exposure status with the platform or application owner for any legacy system identified.
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-1999-0267 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
- https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0267CVE reference · x_refsource_MISC
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.