CVE-2023-2533

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

CVSS 3.1 High 8.4Known exploited (CISA KEV)

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

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 data

CVSS 3.1 High 8.4

Score published by Fluid Attacks in the CVE record.

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

Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: High
An account with significant privileges, such as an administrator, is needed.
User interaction: Required
A user has to do something first, such as opening a file or following a link.
Scope: Changed
The impact can reach other components beyond the vulnerable one.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.

Metric	Value	What it means
Attack vector	Network	The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity	Low	No special conditions are needed. The attack can be repeated at will.
Privileges required	High	An account with significant privileges, such as an administrator, is needed.
User interaction	Required	A user has to do something first, such as opening a file or following a link.
Scope	Changed	The impact can reach other components beyond the vulnerable one.
Confidentiality impact	High	Serious or total effect on the secrecy of data.
Integrity impact	High	Serious or total effect on the trustworthiness of data.
Availability impact	High	Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score: 0.28831 (28.8% probability)
Percentile: 98.2%
Scores of: Nov 10, 2026
Model: v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.

Name in the catalog: PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability
Added to the catalog: Jul 28, 2025
Federal due date: Aug 18, 2025

CISA assessment as of Jul 26, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation: Recorded by CISA as active
Automatable: no
Technical impact: total

Weakness (CWE)

CWE catalog version 5.0.

CWE-352Cross-Site Request Forgery

Affected products

Products listed in the CVE record, as the CNA published them.

PaperCut NG/MF
- affected: 22.0.10 up to before 2.1.1
- unaffected: 21.2.12
- unaffected: 20.1.8

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

ID reservedMay 5, 2023
Record publishedJun 20, 2023
Added to CISA KEVJul 28, 2025
Record last updatedOct 21, 2025

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About CubePath

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:16 UTC. Sources and licenses