Description
CUPS before 1.1.21rc1 treats a Location directive in cupsd.conf as case sensitive, which allows attackers to bypass intended ACLs via a printer name containing uppercase or lowercase letters that are different from what is specified in the directive.
References (7)
Scores
CVSS v3
9.8
EPSS
0.0049
EPSS Percentile
65.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-178
Status
published
Products (3)
apple/cups
1.1.21
apple/cups
< 1.1.21
canonical/ubuntu_linux
4.10
Published
Dec 31, 2004
Tracked Since
Feb 18, 2026