High 8.4Known exploited (CISA KEV)Published Jun 20, 2023

CVE-2023-2533PaperCut MF/NG 22.0.10 (Build 65996 2023-03-27) - Remote code execution via CSRF

Updated under an hour ago (2026-10-19 11:10 UTC)

Does this affect you?

It affects PaperCut NG/MF and 2 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Jul 28, 2025; federal agencies had to remediate by Aug 18, 2025. Treat that date as your deadline.

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Every CVE for PaperCut NG/MF

Exploited in the last 30 days

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.

CVSS: 8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-352
Known exploited: Added to CISA KEV Jul 28, 2025; federal remediation due Aug 18, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS (exploitation in the next 30 days): 28.62% (percentile 98)
Assigned by: Fluid Attacks
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

PaperCut PaperCut NG/MF papercut:ng_mf (from the name)	22.0.10 builds before 2.1.1; 21.2.12 not affected; 20.1.8 not affected	CNA record
papercut papercut_mf papercut:papercut_mf	before 20.1.8; from 21.0.0 before 21.2.12; from 22.0.0 before 22.1.1	NVD
papercut papercut_ng papercut:papercut_ng	before 20.1.8; from 21.0.0 before 21.2.12; from 22.0.0 through 22.1.1	NVD

References

https://fluidattacks.com/advisories/arcangel/exploit, third-party-advisory
https://www.papercut.com/kb/Main/SecurityBulletinJune2023vendor-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-2533us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.