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CVE-2023-27350: PaperCut MF/NG Improper Access Control Vulnerability

criticalknown exploitedpublic exploitCVE-2023-27350
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
PaperCut MF/NG contains an improper access control vulnerability within the SetupCompleted class that allows authentication bypass and code execution in the context of system.

CSIRTS triage

vendor: PaperCutproduct: MF/NGAuthentication bypassRemote code execution
What
An improper access control vulnerability allows authentication bypass and code execution.
Who is affected
Users of PaperCut MF/NG are affected.
Urgency
Remediation is critical due to active exploitation and the severity of the vulnerability.
Action
Patch to the latest version of PaperCut MF/NG.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-04-21
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-27350

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-27350coverage & exploitation statusNVD · CVE.org

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