PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability
PaperCut NG/MF contains a cross-site request forgery (CSRF) vulnerability, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code.
- Vendor
- PaperCut
- Product
- NG/MF
- CVSS
- 8.4
- EPSS (exploit probability)
- 28.8%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2023-2533 being exploited?
Yes. CISA added CVE-2023-2533 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 28.8% (scored October 22, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-25. Full cross-catalog view: /kev-comparison
CVE-2023-2533 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other PaperCut CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2023-27351 PaperCut NG/MF Improper Authentication Vulnerabilityransomware use | [ HIGH ] | 7.5 | 78.1% | |
| CVE-2023-27350 PaperCut MF/NG Improper Access Control Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 100.0% |