Vulnerability Details : CVE-2001-1155
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.
Exploit prediction scoring system (EPSS) score for CVE-2001-1155
Probability of exploitation activity in the next 30 days: 0.44%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 74 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2001-1155
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2001-1155
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The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.Assigned by: nvd@nist.gov (Primary)
References for CVE-2001-1155
-
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:56.tcp_wrappers.asc
Broken Link;Patch;Vendor Advisory
-
http://www.osvdb.org/5454
404 Not FoundBroken Link
Products affected by CVE-2001-1155
- cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*