Security readout for executives and security teams
Plain-English summary
CVE-2000-0994 is an old local privilege-escalation issue in the OpenBSD fstat program. A user already able to run commands on the system could potentially use the PWD environment variable to gain root privileges. Business urgency depends on whether legacy BSD systems with local user access still exist.
Executive priority
Treat as a legacy-system risk. It is not internet-remote, but successful exploitation could grant full root control. Prioritize if the organization still operates old BSD systems with multiple local users.
Technical view
The CVE describes a format string vulnerability in OpenBSD fstat, and possibly other BSD-based operating systems. The attack vector is local and tied to the PWD environment variable. Public data provided does not include CVSS, affected version ranges, patch identifiers, or confirmed exploitation status.
Likely exposure
Exposure is most likely on legacy OpenBSD installations running a vulnerable fstat binary. Other BSD-derived systems are only described as possible, not confirmed, in the provided sources.
Exploitation context
No cited source states active exploitation. The issue requires local user access, so risk is higher on shared systems, shell servers, jump hosts, and legacy environments with untrusted or low-privileged accounts.
Researcher notes
The source record is sparse: no CVSS, no affected versions, and no patch details are provided. The “possibly other BSD-based operating systems” wording should not be treated as confirmed without vendor-specific evidence.
Mitigation direction
- Identify any legacy OpenBSD or BSD-based systems still in service.
- Check OpenBSD and relevant BSD vendor advisories for fixed fstat packages or OS updates.
- Limit local shell access to trusted users where vulnerable systems cannot be retired quickly.
- Prioritize decommissioning or isolating unsupported legacy BSD hosts.
Validation and detection
- Inventory hosts running OpenBSD or BSD-derived operating systems.
- Confirm the installed OS and fstat package provenance against vendor guidance.
- Review whether untrusted users have local shell or command execution access.
- Document any compensating controls for systems that cannot be updated.
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-2000-0994 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
- bsd-fstat-format(5338)CVE reference · vdb-entry, x_refsource_XF
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.