{"schema":"threatline.record/2","record":{"id":"CVE-2023-27350","aliases":[],"summary":"PaperCut MF/NG Improper Access Control Vulnerability","details":"PaperCut MF/NG contains an improper access control vulnerability within the SetupCompleted class that allows authentication bypass and code execution in the context of system.","categories":["Unclassified"],"product":"MF/NG","vendor":"PaperCut","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-27350","source_modified_at":"2025-10-21T23:05:48.700Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"NG","vendor":"PaperCut","versions":[{"version":"22.0.5 (Build 63914)","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2023-04-21","due_date":"2023-05-12","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Known"},"epss":{"probability":0.99999,"percentile":0.99995,"score_date":"2026-10-23"},"published_at":"2023-04-20T00:00:00.000Z","modified_at":"2025-10-21T23:05:48.700Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2023-27350","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:05:48.700Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/papercut_ng_auth_bypass.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2023-03-13"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/51391","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2023-04-25"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/51452","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2023-05-23"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-27350.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2023-27350","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://www.papercut.com/kb/Main/PO-1216-and-PO-1219","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-27350","source":"CISA KEV"},{"source":"CVE List","url":"https://www.zerodayinitiative.com/advisories/ZDI-23-233/","tags":["x_transferred"]},{"source":"CVE List","url":"https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/","tags":["x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27350","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2023-12-22T05:01:04.658436Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"PaperCut PaperCutNG Authentication Bypass","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/papercut_ng_auth_bypass.rb","date":"2023-03-13","added":"2026-04-22","check":true},{"source":"Exploit-DB","kind":"Webapps exploit","name":"PaperCut NG/MG 22.0.4 - Authentication Bypass","url":"https://www.exploit-db.com/exploits/51391","date":"2023-04-25","added":"2023-04-25","verified":false},{"source":"Exploit-DB","kind":"Webapps exploit","name":"PaperCut NG/MG 22.0.4 - Remote Code Execution (RCE)","url":"https://www.exploit-db.com/exploits/51452","date":"2023-05-23","added":"2023-05-23","verified":false},{"source":"Nuclei","kind":"Scanner template","name":"PaperCut - Unauthenticated Remote Code Execution","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-27350.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:05:48.700Z","content_hash":"df82c33f488bef4850ee68a1a097221c0d6655437b5461f9bf14be5d4583ccfa"}}
