CSRF in Papercut Ng/mf

CVE-2023-2533

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 i…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.363 (97.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

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.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-2533?
CVE-2023-2533 is a high-severity vulnerability in Papercut Ng/mf, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.4/10. Published 2023-06-20.
How severe is CVE-2023-2533?
High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2023-2533 known to be exploited?
Yes. CVE-2023-2533 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-07-28), indicating it is being actively exploited. 7 public proof-of-concept repositories are indexed.