{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25571", "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "state": "PUBLISHED", "assignerShortName": "siemens", "dateReserved": "2026-02-02T23:19:09.478Z", "datePublished": "2026-03-10T16:07:55.079Z", "dateUpdated": "2026-03-10T16:41:09.458Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77", "shortName": "siemens", "dateUpdated": "2026-03-10T16:07:55.079Z"}, "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SICAM SIAPP SDK (All versions < V2.1.7). The SICAM SIAPP SDK client component does not enforce maximum length checks on certain variables before use. This could allow an attacker to send an oversized input that could trigger a stack overflow crashing the process and potentially causing denial of service."}], "affected": [{"vendor": "Siemens", "product": "SICAM SIAPP SDK", "versions": [{"status": "affected", "version": "0", "lessThan": "V2.1.7", "versionType": "custom"}], "defaultStatus": "unknown"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.1, "baseSeverity": "MEDIUM"}}, {"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "baseScore": 5.9, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-130", "description": "CWE-130: Improper Handling of Length Parameter Inconsistency", "type": "CWE"}]}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-903736.html"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-25571", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-10T16:35:09.592581Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-10T16:41:09.458Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:siemens:sicam_siapp_sdk:*:*:*:*:*:*:*:*", "matchCriteriaId": "1C92AE80-D07C-484A-9F56-5A0B25F8D249", "versionEndExcluding": "2.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SICAM SIAPP SDK (All versions < V2.1.7). The SICAM SIAPP SDK client component does not enforce maximum length checks on certain variables before use. This could allow an attacker to send an oversized input that could trigger a stack overflow crashing the process and potentially causing denial of service."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en el SDK SICAM SIAPP (todas las versiones &lt; V2.1.7). El componente cliente del SDK SICAM SIAPP no aplica comprobaciones de longitud m\u00e1xima en ciertas variables antes de su uso. Esto podr\u00eda permitir a un atacante enviar una entrada de tama\u00f1o excesivo que podr\u00eda desencadenar un desbordamiento de pila, provocando el fallo del proceso y potencialmente causando una denegaci\u00f3n de servicio."}], "id": "CVE-2026-25571", "lastModified": "2026-03-13T15:36:44.620", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 3.6, "source": "productcert@siemens.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.9, "baseSeverity": "MEDIUM", "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:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/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": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "productcert@siemens.com", "type": "Secondary"}]}, "published": "2026-03-10T18:18:37.010", "references": [{"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/html/ssa-903736.html"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-130"}], "source": "productcert@siemens.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,V2.1.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "sicam_siapp_sdk", "vendor": "siemens"}], "analysis": {"en": {"generated_at": "2026-04-17T11:45:40.876597+00:00", "value": {"mitigation_remediation": ["Upgrade to SICAM SIAPP SDK version 2.1.7 or later, which includes the stack\u2011overflow fix.", "Apply input validation to all variables that previously lacked maximum length checks, limiting data to safe boundaries.", "Implement monitoring to detect sudden crashes or memory exhaustion events related to the SDK.", "If a patch is not available immediately, limit user access to the SDK\u2019s input interfaces and ensure proper permissions to reduce the attack surface."], "summary": {"action": "Apply Patch", "impact": "Denial of Service via Stack Overflow"}, "threat_synthesis": {"affected_systems": "Siemens SICAM SIAPP SDK, versions earlier than 2.1.7. The vulnerability applies to all affected deployments of this SDK component.", "description_and_impact": "The SICAM SIAPP SDK does not enforce maximum length checks on certain client variables. An attacker can transmit an oversized input that causes a stack overflow, leading to a process crash and a denial\u2011of\u2011service condition. This flaw directly compromises availability without affecting confidentiality or integrity.", "risk_and_exploitability": "The CVSS score of 5.9 indicates a moderate severity. The EPSS score is below 1%, suggesting a very low likelihood of exploitation in the wild. The flaw is not listed in CISA\u2019s KEV catalog, and no active exploit has been reported. The attack vector is likely remote or local client\u2011side input, inferred from the description that the flaw occurs in the client component when receiving oversized data. An attacker would need to supply the crafted input to trigger the stack overflow, which would then crash the process. Given the low exploitation probability, immediate patching is still recommended due to the availability impact."}}}}, "created": "2026-03-11T11:49:56.008231+00:00", "title": "Stack Overflow via Oversized Input in SICAM SIAPP SDK", "updated": "2026-04-17T12:00:11.706977+00:00", "vendors": ["siemens", "siemens$PRODUCT$sicam_siapp_sdk"]}