Security readout for executives and security teams
Plain-English summary
CVE-2001-1180 is an old FreeBSD 4.3 local privilege-escalation flaw. A user already logged into the system could potentially gain higher privileges through mishandled signal handlers during execution of a setuid program. Modern exposure is likely limited to legacy FreeBSD 4.3 systems.
Executive priority
Low fleet-wide unless legacy FreeBSD 4.3 exists. If present on business-critical systems, treat as urgent because any local account could become a privileged compromise path.
Technical view
FreeBSD 4.3 reportedly failed to clear shared signal handlers correctly when executing a process. The CVE describes abuse involving rfork, a child process executing a setuid program, and signaling that child, allowing local privilege gain. No CVSS score, CWE, patch detail, or affected CPE data is provided in the source bundle.
Likely exposure
Exposure appears limited to systems still running FreeBSD 4.3 or derived legacy builds with the same behavior. Internet-facing status is not the key factor; an attacker needs local user-level access first.
Exploitation context
The cited CVE describes local privilege escalation, not remote compromise. The bundle does not show CISA KEV listing or cited evidence of active exploitation. Public exploit status is not established from the provided sources.
Researcher notes
The public record is sparse. The affected product is identified in the description as FreeBSD 4.3, but structured affected-product and version data are absent. No source-provided patch, CVSS vector, CWE, or exploitation evidence was included.
Mitigation direction
- Identify any FreeBSD 4.3 systems or appliances based on it.
- Consult FreeBSD or vendor archival guidance for corrected versions or advisories.
- Retire, isolate, or replace unsupported legacy systems where remediation is unavailable.
- Restrict local shell access to trusted administrators only.
Validation and detection
- Inventory operating system versions across servers and appliances.
- Confirm whether any host reports FreeBSD 4.3.
- Review local user access on affected legacy systems.
- Check vendor documentation for this CVE or the X-Force entry.
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-2001-1180 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-rfork-signal-handlers(6829)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.