# CVE-2001-1180

## Summary

- **CVE ID:** CVE-2001-1180
- **Severity:** UNKNOWN
- **CVSS Score:** 0.01
- **CWE:** N/A
- **Published:** Jun 25, 2002
- **Last Modified:** Mar 16, 2026

## Description

FreeBSD 4.3 does not properly clear shared signal handlers when executing a process, which allows local users to gain privileges by calling rfork with a shared signal handler, having the child process execute a setuid program, and sending a signal to the child.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://ciac.llnl.gov/ciac/bulletins/l-111.shtml)
- [CNA](https://exchange.xforce.ibmcloud.com/vulnerabilities/6829)
- [CNA](http://www.osvdb.org/1897)
- [CNA](http://archives.neohapsis.com/archives/bugtraq/2001-07/0179.html)
- [CNA](ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:42.signal.v1.1.asc)
- [CNA](http://www.kb.cert.org/vuls/id/943633)
- [CNA](http://www.securityfocus.com/bid/3007)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 38.6

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._