9.8crit
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 rever…
Published 25 y ago · modified 4 mo ago · JSON
CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known
Summary
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 (EPSS)
2.03% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
- CWE-863 Incorrect Authorization
References
- osvdb.org /5454 · vdb-entry, x_refsource_OSVDB, x_transferred
Sources
- CVE List: CVE-2001-1155
- NVD: CVE-2001-1155
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