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Cybersecurity researchers have discovered a new high-severity security flaw in PaperCut print management software for Windows that could result in remote code execution under specific circumstances.

Tracked as CVE-2023-39143 (CVSS score: 8.4), the flaw impacts PaperCut NG/MF prior to version 22.1.3. It has been described as a combination of a path traversal and file upload vulnerability.

“CVE-2023-39143 enables unauthenticated attackers to potentially read, delete, and upload arbitrary files to the PaperCut MF/NG application server, resulting in remote code execution in certain configurations,”’s Naveen Sunkavally said.

The cybersecurity firm said that file upload leading to remote code execution is possible when the external device integration setting is enabled, which is on by default in some installations of PaperCut.

images from Hacker News