CVE-2023-27350 (GCVE-0-2023-27350)

Vulnerability from cvelistv5 – Published: 2023-04-20 00:00 – Updated: 2025-10-21 23:05
VLAI? CISA
Summary
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.
Severity ?
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-284 - Improper Access Control
Assigner
zdi
References
Impacted products
Vendor Product Version
PaperCut NG Affected: 22.0.5 (Build 63914)
Create a notification for this product.
Credits
Anonymous
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2023-04-21

Due date: 2023-05-12

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: https://www.papercut.com/kb/Main/PO-1216-and-PO-1219; https://nvd.nist.gov/vuln/detail/CVE-2023-27350

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      "cveMetadata": "{\"cveId\": \"CVE-2023-27350\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-21T23:05:48.700Z\", \"dateReserved\": \"2023-02-28T00:00:00.000Z\", \"assignerOrgId\": \"99f1926a-a320-47d8-bbb5-42feb611262e\", \"datePublished\": \"2023-04-20T00:00:00.000Z\", \"assignerShortName\": \"zdi\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.