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Vulnerabilities

Vulnerability · CVE-2023-2533

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

Published Jun 20, 2023 · catalog updated Jun 16, 2026 · PaperCut NG/MF

Patch now

CVE-2023-2533 is in the CISA known-exploited catalog, due Aug 18, 2025. Confirm PaperCut NG/MF against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
28.62%
Remediation
Remediation guidance
Affected products
cpe papercut/papercut mf · cpe papercut/papercut ng · vendor PaperCut NG/MF

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an admin with a current login session. Exploiting this would typically involve the possibility of deceiving an admin into clicking a specially crafted malicious link, potentially leading to unauthorized changes.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe papercut/papercut mfversion unspecified
  • cpe papercut/papercut ngversion unspecified
  • vendor PaperCut NG/MFversion unspecified

How to fix CVE-2023-2533

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-2533 is in the CISA known-exploited catalog, due Aug 18, 2025. Confirm PaperCut NG/MF against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-352: Cross-Site Request Forgery (CSRF). EPSS 28.62%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 20, 2023 · Catalog

    Detected

    A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an admin with a current login session. Exploiting this would typically involve the possibility of deceiving an admin into clicking a specially cr

  2. Jul 28, 2025 · CISA KEV

    Known exploited

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

  3. Aug 18, 2025 · CISA KEV

    Remediation due

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

  4. Jun 16, 2026 · Catalog

    Updated

    A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an admin with a current login session. Exploiting this would typically involve the possibility of deceiving an admin into clicking a specially cr

Sources

  • CISA KEVConfirmed exploitationCVE-2023-2533

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-2533

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-2533

    30-day exploitation probability 28.6%

    first.org
  • NIST NVDVulnerability recordCVE-2023-2533

    A Cross-Site Request Forgery (CSRF) vulnerability has been identified in PaperCut NG/MF, which, under specific conditions, could potentially enable an attacker to alter security settings or execute arbitrary code. This could be exploited if the target is an admin with a current l

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2023-2533

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.