Security readout for executives and security teams
Plain-English summary
CVE-2000-0157 is an old NetBSD issue affecting VAX systems. A local user could abuse the ptrace debugging interface to change processor status information and gain higher privileges. The business risk is mainly for organizations still running legacy NetBSD on VAX hardware or emulators with untrusted local users.
Executive priority
Low for most modern environments; higher if legacy NetBSD VAX systems remain in production. Prioritize discovery and isolation over emergency response.
Technical view
The CVE describes a NetBSD ptrace vulnerability on VAX where local users can modify PSL contents in the debugged process, leading to privilege gain. The provided sources do not name affected NetBSD versions, patches, advisories, CVSS, or CWE mapping.
Likely exposure
Exposure appears limited to legacy NetBSD deployments on VAX architecture. Systems without local shell users or without VAX NetBSD are unlikely to be affected based on the provided data.
Exploitation context
The source data indicates local privilege escalation, not remote compromise. There is no KEV listing and no cited evidence of active exploitation in the provided sources.
Researcher notes
The record is sparse. It states the vulnerable component and impact but lacks version ranges, patch references, and technical detail. Avoid assuming applicability beyond NetBSD on VAX.
Mitigation direction
- Identify any NetBSD systems running on VAX hardware or emulators.
- Check NetBSD vendor archives or advisories for version-specific fixes.
- Limit local account access on potentially affected systems.
- Retire or isolate unsupported legacy VAX NetBSD systems.
Validation and detection
- Inventory operating system, architecture, and NetBSD version for legacy assets.
- Confirm whether ptrace is available to local users on affected systems.
- Review local user access and privilege boundaries on legacy NetBSD hosts.
- Document compensating controls where patch status cannot be verified.
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-2000-0157 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
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.