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TI-2023-02373 Aliases CVE-2023-2533GHSA-fhf9-47gc-m9wc

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

Priority CRITICAL 97Exploited in the wildCWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2025-07-28CISA due date 2025-08-18
EPSS 0.28831 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed PaperCut NG/MF (PaperCut): 2.1.1, 21.2.12, 20.1.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PaperCutPaperCut NG/MF22.0.10 to before 2.1.12.1.1, 21.2.12, 20.1.8Patch availableCNA
  • PaperCut NG/MF VendorPaperCut Affected 22.0.10 to before 2.1.1 Fixed in 2.1.1, 21.2.12, 20.1.8 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*before 20.1.8; 21.0.0 to before 21.2.12; 22.0.0 to before 22.1.1VulnerablePaperCut
cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*before 20.1.8; 21.0.0 to before 21.2.12; 22.0.0 – 22.1.1VulnerablePaperCut
  • cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:* Versions before 20.1.8; 21.0.0 to before 21.2.12; 22.0.0 to before 22.1.1 Vulnerable ·PaperCut
  • cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:* Versions before 20.1.8; 21.0.0 to before 21.2.12; 22.0.0 – 22.1.1 Vulnerable ·PaperCut

Remediation

  • Fix · CNA PaperCut NG/MF (PaperCut) Fixed in 2.1.1, 21.2.12, 20.1.8

Timeline

  1. 2025-07-28 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-2533
  3. 2026-10-03 Alias added: GHSA-fhf9-47gc-m9wc

References

Exploit 1

Advisory 1

  • TI-2026-56642 PaperCut MF/NG: Unsafe Dynamic Class Loading in Database Connector KEVCVSS 4.0CRITICAL 9.4
  • TI-2023-12085 Improper access control in PaperCut NG KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-56284 PaperCut MF/NG: Authentication Bypass KEVCVSS 4.0HIGH 8.8
  • TI-2023-12086 Improper authentication in PaperCut NG KEVCVSS 3.1HIGH 7.5
  • TI-2023-20314 PaperCut NG and PaperCut MF before 22.1.3 on Windows allow path traversal, enabling… CVSS 3.1CRITICAL 9.8
  • TI-2024-01136 Incorrect authorization controls in PaperCut NG/MF APIs CVSS 3.1CRITICAL 9.8
See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences