CVE-2023-2533

What it is

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.

At a glance

Exploitability

Can be exploited over the network with an admin-level account, but needs a user to act. High risk of data exposure, data tampering, service disruption.

In the wild

CISA lists this as exploited in real attacks. Treat as urgent.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2023-05-05 03:13 UTC ReservedThe CVE id was reserved by its CNA
2. 2023-06-20 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2025-07-28 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
4. 2025-08-18 Remediation deadlineCISA's due date for federal agencies to fix it
5. 2026-06-17 05:52 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
• Exploit odds: 28.8% in the next 30 days (EPSS).
• Severity: 8.4 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-06-20 15:15 UTC

Last modified

2026-06-17 05:52 UTC

Added to CISA KEV

2025-07-28

Exploit probability

28.8% · EPSS, next 30 days

Weakness

CWE-352 · Cross-site request forgery

Record status

Analyzed

Affected

• Papercut Mf < 20.1.8
• Papercut Mf < 21.2.12
• Papercut Mf < 22.1.1
• Papercut Ng < 20.1.8
• Papercut Ng < 21.2.12
• Papercut Ng ≤ 22.1.1

Attack profile CVSS 3.1 · 8.4

Attack vector

Network

Complexity

Low

Privileges needed

High

User interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-2533.md and follow it. Check whether this project is affected by CVE-2023-2533. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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