Arbitrary file upload in Papercut Mf
CVE-2023-3486
An authentication bypass exists in PaperCut NG versions 22.0.12 and prior that could allow a remote, unauthenticated attacker to upload arbitrary files to the PaperCut NG host’s file storage. This could exhaust system resources and prevent the service from operating as expected.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
EPSS exploit prediction
EPSS: 0.792 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.792 · newest: 0.792 · change: 0.000
Affected products
- Papercut Mf
- Papercut Ng — versions 0
- Papercut Ng
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tenable.com/security/research/tra-2023-23 (Third Party Advisory)
- www.papercut.com/kb/Main/SecurityBulletinJuly2023/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-3486?
- CVE-2023-3486 is a high-severity vulnerability in Papercut Mf, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.2/10. Published 2023-07-25.
- How severe is CVE-2023-3486?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-3486 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.