#VU63747 Improper Authorization in CUPS

Published: 2022-05-26

Vulnerability identifier: #VU63747

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26691


Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Server applications / Other server solutions

Vendor: Apple Inc.


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an error in implementation of "Local" authorization mechanism. A remote attacker can authenticate as to CUPS as root/admin without the 32-byte secret key and execute arbitrary code on the system.

Install updates from vendor's website.

Vulnerable software versions

CUPS: 2.0.0 - 2.3.3

External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Latest bulletins with this vulnerability