CVE-2024-1223: Improper authorization controls in PaperCut NG/MF

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-14 · updated 2026-06-17
Weakness: CWE-488

Description

This vulnerability potentially allows unauthorized enumeration of information from the embedded device APIs. An attacker must already have existing knowledge of some combination of valid usernames, device names and an internal system key. For such an attack to be successful the system must be in a specific runtime state.

Affected products

PaperCut MF: before 20.1.10; from 21.0.0 before 21.2.14; from 22.0.0 before 22.1.5; from 23.0.1 before 23.0.7 — fixed in 20.1.10, 21.2.14, 22.1.5, 23.0.7
PaperCut NG: before 20.1.10; from 21.0.0 before 21.2.14; from 22.0.0 before 22.1.5; from 23.0.1 before 23.0.7 — fixed in 20.1.10, 21.2.14, 22.1.5, 23.0.7

How to fix

Upgrade to a fixed version: PaperCut MF 20.1.10, 21.2.14, 22.1.5, 23.0.7; PaperCut NG 20.1.10, 21.2.14, 22.1.5, 23.0.7. Check the vendor advisory for mitigations.

References

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