{
  "site": "https://pwn.watch",
  "generatedAt": "2026-10-22T19:58:23.236Z",
  "tag": {
    "id": "papercut",
    "label": "PaperCut",
    "isStack": false,
    "url": "https://pwn.watch/t/papercut",
    "feed": "https://pwn.watch/t/papercut/feed.xml"
  },
  "counts": {
    "incidents": 2,
    "live": 0,
    "notFullyPatched": 0,
    "patched": 2
  },
  "incidents": [
    {
      "slug": "papercut-ng-mf-cve-2023-2533",
      "title": "PaperCut NG/MF: NG/MF Cross-Site Request Forgery (CSRF) Vulnerability",
      "url": "https://pwn.watch/i/papercut-ng-mf-cve-2023-2533",
      "json": "https://pwn.watch/i/papercut-ng-mf-cve-2023-2533.json",
      "status": "closed",
      "severity": "high",
      "patchStatus": "patched",
      "product": "PaperCut NG/MF",
      "tags": [
        "papercut",
        "cisa-kev"
      ],
      "cveIds": [
        "CVE-2023-2533"
      ],
      "affectedVersions": [
        "See vendor advisory / CISA notes (versions not always listed in KEV feed)"
      ],
      "fixedVersions": [
        "See vendor advisory linked in sources"
      ],
      "startedAt": "2025-07-28",
      "closedAt": "2025-07-28",
      "updatedAt": "2025-07-28",
      "summary": "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 CISA KEV on 2025-07-28.",
      "xPost": null
    },
    {
      "slug": "papercut-mf-ng-auth-bypass-cve-2023-27350",
      "title": "PaperCut MF/NG auth bypass to SYSTEM RCE, used by Cl0p and LockBit (CVE-2023-27350)",
      "url": "https://pwn.watch/i/papercut-mf-ng-auth-bypass-cve-2023-27350",
      "json": "https://pwn.watch/i/papercut-mf-ng-auth-bypass-cve-2023-27350.json",
      "status": "closed",
      "severity": "critical",
      "patchStatus": "patched",
      "product": "PaperCut MF and PaperCut NG",
      "tags": [
        "papercut",
        "auth-bypass",
        "rce",
        "cl0p",
        "lockbit",
        "ransomware",
        "cisa-kev"
      ],
      "cveIds": [
        "CVE-2023-27350"
      ],
      "affectedVersions": [
        "See vendor advisory"
      ],
      "fixedVersions": [
        "20.1.7",
        "21.2.11",
        "22.0.9"
      ],
      "startedAt": "2023-04-21",
      "closedAt": "2023-05-11",
      "updatedAt": "2023-05-11",
      "summary": "An improper access control bug in PaperCut NG/MF print management let unauthenticated attackers run code as SYSTEM. Fixes had shipped in March 2023, but unpatched servers were exploited from April. Microsoft linked it to Cl0p (Lace Tempest) and LockBit, and the Bl00dy gang hit schools with it.",
      "xPost": null
    }
  ],
  "posts": [],
  "changes": [
    {
      "incident": "papercut-ng-mf-cve-2023-2533",
      "incidentTitle": "PaperCut NG/MF: NG/MF Cross-Site Request Forgery (CSRF) Vulnerability",
      "severity": "high",
      "status": "closed",
      "patchStatus": "patched",
      "date": "2025-07-28",
      "title": "CISA added CVE-2023-2533 to the KEV catalog (due 2025-08-18).",
      "body": null,
      "sourceUrl": null,
      "url": "https://pwn.watch/i/papercut-ng-mf-cve-2023-2533"
    },
    {
      "incident": "papercut-mf-ng-auth-bypass-cve-2023-27350",
      "incidentTitle": "PaperCut MF/NG auth bypass to SYSTEM RCE, used by Cl0p and LockBit (CVE-2023-27350)",
      "severity": "critical",
      "status": "closed",
      "patchStatus": "patched",
      "date": "2023-05-11",
      "title": "CISA and FBI advisory AA23-131A: Bl00dy Ransomware Gang targeting education via PaperCut",
      "body": null,
      "sourceUrl": "https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-131a",
      "url": "https://pwn.watch/i/papercut-mf-ng-auth-bypass-cve-2023-27350"
    },
    {
      "incident": "papercut-mf-ng-auth-bypass-cve-2023-27350",
      "incidentTitle": "PaperCut MF/NG auth bypass to SYSTEM RCE, used by Cl0p and LockBit (CVE-2023-27350)",
      "severity": "critical",
      "status": "closed",
      "patchStatus": "patched",
      "date": "2023-04-21",
      "title": "PaperCut warns that unpatched servers are being exploited in the wild; CISA adds CVE-2023-27350 to KEV",
      "body": null,
      "sourceUrl": "https://www.papercut.com/kb/Main/PO-1216-and-PO-1219",
      "url": "https://pwn.watch/i/papercut-mf-ng-auth-bypass-cve-2023-27350"
    }
  ]
}