HOMEVULNERABILITIESCVE-2023-2533
HIGHCISA KEVIN THE WILD

CVE-2023-2533

Published: July 28, 2025

EPSS:36.32%probability of exploitation in 30 daysPercentile:97.0th

Official Description

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.

NVD Source

CISA KEV Advisory

PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability

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.

Added to KEV: 2025-07-28Federal patch deadline: 2025-08-18
Required Action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Risk Analysis

This PaperCut NG/MF vulnerability is a cross-site request forgery (CSRF) that could allow an attacker to change security settings or execute arbitrary code under specific conditions. Its confirmed exploitation by CISA (is_in_kev: true) and high EPSS score of 0.36322 indicate a significant and urgent risk.

This vulnerability is actively being exploited in the wild and is part of the CISA Known Exploited Vulnerabilities Catalog. This confirms that attackers are successfully leveraging this flaw.

Recommended Action

Apply the latest security updates for PaperCut NG/MF to address this CSRF vulnerability. Implement anti-CSRF tokens and ensure proper session management.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-2533 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2023-2533 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.

Exploit & PoC Resources

ACTIVE EXPLOITATIONConfirmed exploitation in the wild
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All References (2)

Quick Facts

CVE IDCVE-2023-2533
SeverityHIGH
CISA KEVYES — Active Exploitation
ExploitIN THE WILD
EPSS (30d)36.32%
PublishedJul 28, 2025

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-2533 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
  • !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
  • !Active exploitation confirmed — treat as P1
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.