CVE-2023-2533

criticalknown exploitedcovered by 1 sourcefirst seen 2025-07-28

Actively exploited. CVE-2023-2533 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-07-28) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching 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: PaperCut product: 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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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2023-2533: PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerabilitycisa-kev · 2025-07-28

External references

NVD record for CVE-2023-2533

CVE.org record

CISA KEV catalog

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