{"id":"CVE-2023-3634","state":"PUBLISHED","title":"Festo: MSE6-C2M/D2M/E2M Incomplete User Documentation of Remote Accessible Functions","description":"In products of the MSE6 product-family by Festo a remote authenticated, low privileged attacker could use functions of undocumented test mode which could lead to a complete loss of confidentiality, integrity and availability.","publishedAt":"2026-04-16T04:40:29.960Z","updatedAt":"2026-04-16T13:51:55.114Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CERTVDE"},"assigner":"CERTVDE","products":["Festo MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD","Festo MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD","Festo MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD","Festo MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGD","Festo MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGD","Festo MSE6-C2M-5000-FB44-D-RG-BAR-AMI-AGD","Festo MSE6-D2M-5000-CBUS-S-RG-BAR-VCB-AGD","Festo MSE6-E2M-5000-FB13-AGD","Festo MSE6-E2M-5000-FB36-AGD","Festo MSE6-E2M-5000-FB37-AGD","Festo MSE6-E2M-5000-FB43-AGD","Festo MSE6-E2M-5000-FB44-AGD"],"affected":[{"vendor":"Festo","product":"MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB44-D-RG-BAR-AMI-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-D2M-5000-CBUS-S-RG-BAR-VCB-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB13-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB36-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB37-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB43-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB44-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]}],"references":["https://certvde.com/de/advisories/VDE-2023-020/","https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2023/fsa-202304.json"],"weaknesses":["CWE-1242"],"ingestedAt":"2026-10-29T20:06:08.715Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/3xxx/CVE-2023-3634.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-3634","state":"PUBLISHED","datePublished":"2026-04-16T04:40:29.960Z","dateUpdated":"2026-04-16T13:51:55.114Z","assignerShortName":"CERTVDE","assignerOrgId":"270ccfa6-a436-4e77-922e-914ec3a9685c","dateReserved":"2023-07-12T12:07:06.056Z"},"containers":{"cna":{"title":"Festo: MSE6-C2M/D2M/E2M Incomplete User Documentation of Remote Accessible Functions","descriptions":[{"lang":"en","value":"In products of the MSE6 product-family by Festo a remote authenticated, low privileged attacker could use functions of undocumented test mode which could lead to a complete loss of confidentiality, integrity and availability."}],"affected":[{"vendor":"Festo","product":"MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-C2M-5000-FB44-D-RG-BAR-AMI-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-D2M-5000-CBUS-S-RG-BAR-VCB-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB13-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB36-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB37-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB43-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]},{"vendor":"Festo","product":"MSE6-E2M-5000-FB44-AGD","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected"}]}],"references":[{"url":"https://certvde.com/de/advisories/VDE-2023-020/"},{"url":"https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2023/fsa-202304.json","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1242","description":"CWE-1242 Inclusion of Undocumented Features or Chicken Bits","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CERTVDE","orgId":"270ccfa6-a436-4e77-922e-914ec3a9685c","dateUpdated":"2026-04-16T04:40:29.960Z"},"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-c2m-5000-fb36-d-m-rg-bar-m12l4-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-c2m-5000-fb36-d-m-rg-bar-m12l5-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-c2m-5000-fb43-d-m-rg-bar-m12l4-mq1-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-c2m-5000-fb43-d-m-rg-bar-m12l5-mq1-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-c2m-5000-fb44-d-m-rg-bar-ami-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-c2m-5000-fb44-d-rg-bar-ami-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-d2m-5000-cbus-s-rg-bar-vcb-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-e2m-5000-fb13-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-e2m-5000-fb36-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-e2m-5000-fb37-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-e2m-5000-fb43-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:o:festo:mse6-e2m-5000-fb44-agd_firmware:*:*:*:*:*:*:*:*","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"datePublic":"2026-03-06T08:15:00.000Z","source":{"advisory":"VDE-2023-020","defect":["CERT@VDE#64559"],"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.4.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-16T13:51:13.277265Z","id":"CVE-2023-3634","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-16T13:51:55.114Z"}}]}}}