CVE-2023-2533

PaperCut MF/NG 22.0.10 (Build 65996 2023-03-27) - Remote code execution via CSRF

  • High 8.4
  • Exploited: added to CISA KEV 28 Jul 2025

Description

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an admin with a current login session. Exploiting this would typically involve the possibility of deceiving an admin into clicking a specially crafted malicious link, potentially leading to unauthorized changes.

Key facts

Published
20 Jun 2023
Last changed
21 Oct 2025
Assigned by
Fluid Attacks
KEV added
28 Jul 2025
KEV fix due
18 Aug 2025
EPSS
28.831% likely to be exploited in the next 30 days, higher than 98.18% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.4CVSS 3.1, Highfrom the CNA (Fluid Attacks)CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

What to do

  • Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

CAPEC-62 Cross Site Request Forgery (CNA impact statement)

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
PaperCutPaperCut NG/MF
  • Default status: unaffected
  • 22.0.10 up to but excluding 2.1.1 (affected)
  • 21.2.12 (unaffected)
  • 20.1.8 (unaffected)

Timeline

  1. 20 Jun 2023 Published
  2. 28 Jul 2025 CVE-2023-2533 added to CISA KEV
  3. 28 Jul 2025 Added to the CISA KEV catalogue

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on CSRF (CWE-352).

References