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CVE-2023-27350

Critical · CVSS 9.8EPSS 100.0%CISA KEVCWE-284

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 SetupCompleted class. The issue results from improper access control. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-18987.

References

NVD MITRE CVE.org CISA KEV

Published

Community ground truth

Community verdict

3 verdicts
Not a real issue

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Community real-world severity: Critical (Critical 3) — CVSS base score 9.8

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Marco FerriCurated

    Confirmed exploited in the wild — listed in the CISA KEV catalog (added 2023-04-21). Linked to known ransomware campaigns. Treat as real and prioritize patching over triage.