CVE-2023-2533

HighActively exploited (CISA KEV)

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.

SeverityHigh
CVSS8.4
Exploit probability—
ProductPaperCut NG/MF
PublishedJun 20, 2023
First seenJun 20, 2023
Added to KEVJul 28, 2025

How to fix

CISA required action

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 due date: Aug 18, 2025
Update
  • papercut papercut_mf20.1.8, 21.2.12, 22.1.1 or later
  • papercut papercut_ng20.1.8, 21.2.12 or later

Affected products

ProductAffected versionsFixed in
papercut papercut_mfv < 20.1.8, 21.0.0 ≤ v < 21.2.12, 22.0.0 ≤ v < 22.1.120.1.8, 21.2.12, 22.1.1
papercut papercut_ngv < 20.1.8, 21.0.0 ≤ v < 21.2.12, 22.0.0 ≤ v ≤ 22.1.120.1.8, 21.2.12

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CVE-2023-2533 · PaperCut NG/MF · Dark Radar