Skip to content
Fencer Vulns
high 8.2

CVE-2023-3486 in the critical feed json

PaperCut NG Unauthenticated File Upload

published 2023-07-25 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44145

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
79.2%
EPSS 79.2% chance of exploitation in 30 days, percentile 99.6%
public exploits
0
none known

Summary

An authentication bypass exists in PaperCut NG versions 22.0.12 and prior that could allow a remote, unauthenticated attacker to upload arbitrary files to the PaperCut NG host’s file storage. This could exhaust system resources and prevent the service from operating as expected.

Patch / fix

  • PaperCut PaperCut NG 22.1.3

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

79.16% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • PaperCut PaperCut NG

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.