CVE•Published 2023-04-20•1 article on news•6 live references•NVD data

CVE-2023-27351

Vulnerability data via CVEDB (Shodan)

CVSS v3.1

8.2

HIGH

EPSS percentile

100

Exploit Prediction Scoring System · top 0% of all CVEs

Description

This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SecurityRequestFilter class. The issue results from improper implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-19226.

Timeline

Published 2023-04-20

External references

NVD MITRE Exploit-DB Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2023-27351

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product + version

product:"Papercut Papercut Mf" version:"15.0"

Version-pinned fingerprint from NVD's first vulnerable CPE.

Shodan · banner/body mention

http.html:"Papercut Mf"

HTTP body or banner mentions "Papercut Mf" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2023-27351