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CVE-2023-2533: PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability

criticalknown exploitedCVE-2023-2533
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 NG/MF contains a cross-site request forgery (CSRF) vulnerability, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code.

CSIRTS triage

vendor: PaperCutproduct: PaperCut NG/MFCross-site request forgery
What
PaperCut NG/MF contains a cross-site request forgery (CSRF) vulnerability that could enable an attacker to alter security settings or execute arbitrary code.
Who is affected
Deployments of PaperCut NG/MF with the vulnerability present.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security patch provided by PaperCut.

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
2025-07-28
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-2533

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-2023-2533coverage & exploitation statusNVD · CVE.org

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