# CVE-2001-1155

## Summary

- **CVE ID:** CVE-2001-1155
- **Severity:** UNKNOWN
- **CVSS Score:** 0.01
- **CWE:** N/A
- **Published:** Jun 25, 2002
- **Last Modified:** Mar 16, 2026

## Description

TCP Wrappers (tcp_wrappers) in FreeBSD 4.1.1 through 4.3 with the PARANOID ACL option enabled does not properly check the result of a reverse DNS lookup, which could allow remote attackers to bypass intended access restrictions via DNS spoofing.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.osvdb.org/5454)
- [CNA](ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:56.tcp_wrappers.asc)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.20%
- **EPSS Percentile:** 41.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._