CVE-2023-27350

At a glance

Severity
CRITICAL 9.8
Exploitation
Known exploited (CISA KEV) · added 2023-04-21
Exploited per ENISA since 2023-04-21
EPSS
EPSS 100.00 % · percentile 100 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
zdi
NVD status
Analyzed

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 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.

Scores

VersionScoreVectorScored by
CVSS 3.0CRITICAL 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hzdi
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 3.0CRITICAL 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · zdi-disclosures@trendmicro.com (Secondary)

Weaknesses (CWE)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
PaperCut · NGaffected 22.0.5 (Build 63914)

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
CISA Known Exploited VulnerabilitiesCC0 1.0
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD