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Status published
Critical
CVE-2001-1155
TCP Wrappers (tcp_wrappers) in FreeBSD 4.1.1 through 4.3 with the...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
freebsd
View all reports →Affected Software
freebsd
Vulnerable Versions:
4.1.1
Timeline
Official Publish:
June 25th, 2002
Last Modified:
August 8th, 2024
Added to House:
July 18th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.