FKIE_CVE-2026-78319
Vulnerability from fkie_nvd - Published: 2026-09-01 07:16 - Updated: 2026-09-03 16:57
Severity
Summary
A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition.
An unauthenticated remote attacker could exploit this race condition to bypass intended security controls.
This may result in the execution of unauthorized code.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "modu680-AS",
"vendor": "Sauter",
"versions": [
{
"lessThan": "4.0.0",
"status": "affected",
"version": "1.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "modu660-AS",
"vendor": "Sauter",
"versions": [
{
"lessThan": "4.0.0",
"status": "affected",
"version": "1.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "modu612-LC",
"vendor": "Sauter",
"versions": [
{
"lessThan": "4.0.0",
"status": "affected",
"version": "1.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "ecos504",
"vendor": "Sauter",
"versions": [
{
"lessThan": "7.0.0",
"status": "affected",
"version": "1.0.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "ecos505",
"vendor": "Sauter",
"versions": [
{
"lessThan": "7.0.0",
"status": "affected",
"version": "1.0.0",
"versionType": "semver"
}
]
}
],
"source": "info@cert.vde.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition.\nAn unauthenticated remote attacker could exploit this race condition to bypass intended security controls.\nThis may result in the execution of unauthorized code."
}
],
"id": "CVE-2026-78319",
"lastModified": "2026-09-03T16:57:26.583",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "info@cert.vde.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-78319",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-01T17:36:35.720120Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-09-01T07:16:36.523",
"references": [
{
"source": "info@cert.vde.com",
"url": "https://sauter.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-093.json"
},
{
"source": "info@cert.vde.com",
"url": "https://www.certvde.com/en/advisories/VDE-2026-093/"
}
],
"sourceIdentifier": "info@cert.vde.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-367"
}
],
"source": "info@cert.vde.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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