CVE-2023-31046

Name: CVE-2023-31046
Creator: NVD / NIST
Published: 2023-10-19T14:15:08.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.49%

Last modified Jun 17, 2026

CVE-2023-31046 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A Path Traversal vulnerability exists in PaperCut NG before 22.1.1 and PaperCut MF before 22.1.1. Under specific conditions, this could potentially allow an authenticated attacker to achieve read-only access to the server's filesystem, because requests beginning with "GET /ui/static/..//.." reach getStaticContent in UIContentResource.class in the static-content-files servlet.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.

Description

A Path Traversal vulnerability exists in PaperCut NG before 22.1.1 and PaperCut MF before 22.1.1. Under specific conditions, this could potentially allow an authenticated attacker to achieve read-only access to the server's filesystem, because requests beginning with "GET /ui/static/..//.." reach getStaticContent in UIContentResource.class in the static-content-files servlet.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.49%

70.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Papercut	Papercut Mf	< 22.1.1
Papercut	Papercut Ng	< 22.1.1

References

https://research.aurainfosec.io/disclosure/papercut/Third Party Advisory
https://web.archive.org/web/20230814061444/https://research.aurainfosec.io/disclosure/papercut/Third Party Advisory
https://www.papercut.com/kb/Main/PO-1216-and-PO-1219#security-notificationsVendor Advisory
https://www.papercut.com/kb/Main/SecurityBulletinJune2023Vendor Advisory
https://research.aurainfosec.io/disclosure/papercut/Third Party Advisory
https://web.archive.org/web/20230814061444/https://research.aurainfosec.io/disclosure/papercut/Third Party Advisory
https://www.papercut.com/kb/Main/PO-1216-and-PO-1219#security-notificationsVendor Advisory
https://www.papercut.com/kb/Main/SecurityBulletinJune2023Vendor Advisory

Timeline

Published: Oct 19, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-31046?

How severe is CVE-2023-31046?

CVE-2023-31046 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.

How do I fix CVE-2023-31046?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-31046?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST