Auth bypass in Papercut Ng

CVE-2023-4568

PaperCut NG allows for unauthenticated XMLRPC commands to be run by default. Versions 22.0.12 and below are confirmed to be affected, but later versions may also be affected due to lack of a vendor supplied patch.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.039 (89.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-4568: held from 0.036 to 0.039.

EPSS over last 30 days · oldest: 0.036 · newest: 0.039 · change: +0.003

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4568?
CVE-2023-4568 is a medium-severity vulnerability in Papercut Ng, classified under Improper Authentication. CVSS score: 6.5/10. Published 2023-09-13.
How severe is CVE-2023-4568?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-4568 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.