CVE-2023-3634 (GCVE-0-2023-3634)
Vulnerability from cvelistv5 – Published: 2026-04-16 04:40 – Updated: 2026-04-16 13:51
VLAI?
Title
Festo: MSE6-C2M/D2M/E2M Incomplete User Documentation of Remote Accessible Functions
Summary
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.
Severity ?
8.8 (High)
CWE
- CWE-1242 - Inclusion of Undocumented Features or Chicken Bits
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Festo | MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD |
Affected:
*
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Date Public ?
2026-03-06 08:15
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-3634",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-16T13:51:13.277265Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-04-16T13:51:55.114Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-C2M-5000-FB44-D-RG-BAR-AMI-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-D2M-5000-CBUS-S-RG-BAR-VCB-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-E2M-5000-FB13-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-E2M-5000-FB36-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-E2M-5000-FB37-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-E2M-5000-FB43-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
},
{
"defaultStatus": "unaffected",
"product": "MSE6-E2M-5000-FB44-AGD",
"vendor": "Festo",
"versions": [
{
"status": "affected",
"version": "*"
}
]
}
],
"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",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"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."
}
],
"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."
}
],
"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": {
"dateUpdated": "2026-04-16T04:40:29.960Z",
"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"shortName": "CERTVDE"
},
"references": [
{
"url": "https://certvde.com/de/advisories/VDE-2023-020/"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2023/fsa-202304.json"
}
],
"source": {
"advisory": "VDE-2023-020",
"defect": [
"CERT@VDE#64559"
],
"discovery": "INTERNAL"
},
"title": "Festo: MSE6-C2M/D2M/E2M Incomplete User Documentation of Remote Accessible Functions",
"x_generator": {
"engine": "Vulnogram 0.4.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"assignerShortName": "CERTVDE",
"cveId": "CVE-2023-3634",
"datePublished": "2026-04-16T04:40:29.960Z",
"dateReserved": "2023-07-12T12:07:06.056Z",
"dateUpdated": "2026-04-16T13:51:55.114Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-3634",
"date": "2026-04-16",
"epss": "0.00288",
"percentile": "0.52266"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2023-3634\",\"sourceIdentifier\":\"info@cert.vde.com\",\"published\":\"2026-04-16T05:16:12.090\",\"lastModified\":\"2026-04-16T05:16:12.090\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1242\"}]}],\"references\":[{\"url\":\"https://certvde.com/de/advisories/VDE-2023-020/\",\"source\":\"info@cert.vde.com\"},{\"url\":\"https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2023/fsa-202304.json\",\"source\":\"info@cert.vde.com\"}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-3634\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-04-16T13:51:13.277265Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-04-16T13:51:30.706Z\"}}], \"cna\": {\"title\": \"Festo: MSE6-C2M/D2M/E2M Incomplete User Documentation of Remote Accessible Functions\", \"source\": {\"defect\": [\"CERT@VDE#64559\"], \"advisory\": \"VDE-2023-020\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Festo\", \"product\": \"MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-C2M-5000-FB44-D-RG-BAR-AMI-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-D2M-5000-CBUS-S-RG-BAR-VCB-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-E2M-5000-FB13-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-E2M-5000-FB36-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-E2M-5000-FB37-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-E2M-5000-FB43-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Festo\", \"product\": \"MSE6-E2M-5000-FB44-AGD\", \"versions\": [{\"status\": \"affected\", \"version\": \"*\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-03-06T08:15:00.000Z\", \"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\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.4.0\"}, \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"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.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1242\", \"description\": \"CWE-1242 Inclusion of Undocumented Features or Chicken Bits\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-c2m-5000-fb36-d-m-rg-bar-m12l4-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-c2m-5000-fb36-d-m-rg-bar-m12l5-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-c2m-5000-fb43-d-m-rg-bar-m12l4-mq1-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-c2m-5000-fb43-d-m-rg-bar-m12l5-mq1-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-c2m-5000-fb44-d-m-rg-bar-ami-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-c2m-5000-fb44-d-rg-bar-ami-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-d2m-5000-cbus-s-rg-bar-vcb-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-e2m-5000-fb13-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-e2m-5000-fb36-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-e2m-5000-fb37-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-e2m-5000-fb43-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}, {\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:festo:mse6-e2m-5000-fb44-agd_firmware:*:*:*:*:*:*:*:*\", \"vulnerable\": true}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"270ccfa6-a436-4e77-922e-914ec3a9685c\", \"shortName\": \"CERTVDE\", \"dateUpdated\": \"2026-04-16T04:40:29.960Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2023-3634\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-16T13:51:55.114Z\", \"dateReserved\": \"2023-07-12T12:07:06.056Z\", \"assignerOrgId\": \"270ccfa6-a436-4e77-922e-914ec3a9685c\", \"datePublished\": \"2026-04-16T04:40:29.960Z\", \"assignerShortName\": \"CERTVDE\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…