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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 79.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 79.16% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- papercut/papercut mf · papercut/papercut ng
- Source
- vulnreport@tenable.com
EPSS 79.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.papercut.com/kb/Main/SecurityBulletinJuly2023/Vendor Advisory
- https://www.tenable.com/security/research/tra-2023-23Third Party Advisory
- https://www.papercut.com/kb/Main/SecurityBulletinJuly2023/Vendor Advisory
- https://www.tenable.com/security/research/tra-2023-23Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.