{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-2402", "assignerOrgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb", "state": "PUBLISHED", "assignerShortName": "schneider", "dateReserved": "2026-02-12T13:19:01.113Z", "datePublished": "2026-04-14T15:16:17.583Z", "dateUpdated": "2026-04-14T16:27:38.566Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb", "shortName": "schneider", "dateUpdated": "2026-04-14T15:16:42.073Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-307", "description": "CWE-307 Improper Restriction of Excessive Authentication Attempts", "type": "CWE"}]}], "affected": [{"vendor": "Schneider Electric", "product": "PowerChute\u2122 Serial Shutdown", "versions": [{"status": "affected", "version": "Versions v1.4 and prior"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on a sequence of requests to multiple endpoints.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on a sequence of requests to multiple endpoints."}]}], "references": [{"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-104-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-104-01.pdf"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-14T16:26:07.842287Z", "id": "CVE-2026-2402", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-14T16:27:38.566Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-2402", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-14T16:26:07.842287Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-14T16:26:12.735Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Schneider Electric", "product": "PowerChute\u2122 Serial Shutdown", "versions": [{"status": "affected", "version": "Versions v1.4 and prior"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-104-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-104-01.pdf"}], "x_generator": {"engine": "Vulnogram 1.0.1"}, "descriptions": [{"lang": "en", "value": "CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on a sequence of requests to multiple endpoints.", "supportingMedia": [{"type": "text/html", "value": "CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on a sequence of requests to multiple endpoints.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-307", "description": "CWE-307 Improper Restriction of Excessive Authentication Attempts"}]}], "providerMetadata": {"orgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb", "shortName": "schneider", "dateUpdated": "2026-04-14T15:16:42.073Z"}}}, "cveMetadata": {"cveId": "CVE-2026-2402", "state": "PUBLISHED", "dateUpdated": "2026-04-14T16:27:38.566Z", "dateReserved": "2026-02-12T13:19:01.113Z", "assignerOrgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb", "datePublished": "2026-04-14T15:16:17.583Z", "assignerShortName": "schneider"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on a sequence of requests to multiple endpoints."}], "id": "CVE-2026-2402", "lastModified": "2026-04-14T16:16:38.767", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "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:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cybersecurity@se.com", "type": "Secondary"}]}, "published": "2026-04-14T16:16:38.767", "references": [{"source": "cybersecurity@se.com", "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-104-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-104-01.pdf"}], "sourceIdentifier": "cybersecurity@se.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-307"}], "source": "cybersecurity@se.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.4]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "matching", "scores": [{"score": 99.0, "source": "matching"}]}, "original": {"product": "PowerChute\u2122 Serial Shutdown", "source": "cna", "vendor": "Schneider Electric"}, "product": "powerchute_serial_shutdown", "vendor": "schneider-electric"}], "analysis": {"en": {"generated_at": "2026-04-14T16:21:46.853914+00:00", "value": {"mitigation_remediation": ["Apply the latest update from Schneider Electric for PowerChute Serial Shutdown.", "If no update is available, enable account lockout after a set number of failed attempts.", "Implement multi\u2011factor authentication for all user accounts.", "Restrict access to the management interface to trusted network ranges.", "Regularly review authentication logs for suspicious activity."], "summary": {"action": "Patch Immediately", "impact": "Unauthorized Account Access"}, "threat_synthesis": {"affected_systems": "Schneider Electric PowerChute Serial Shutdown is affected. No specific version information is provided, so any deployment of this product is potentially vulnerable until a vendor update is applied.", "description_and_impact": "The vulnerability allows an attacker to perform an arbitrary number of authentication attempts with different credentials across multiple endpoints, effectively bypassing standard rate limiting. This Improper Restriction of Excessive Authentication Attempts could lead to unauthorized access to user accounts, compromising confidentiality and permitting further system exploitation.", "risk_and_exploitability": "The CVSS score of 6.9 indicates moderate to high severity. The EPSS score is not available, and the vulnerability is not listed in the CISA KEV catalog, suggesting current exploitation may be limited. The likely attack vector is through repeated credential submissions to the product\u2019s authentication endpoints, and exploitation requires no special privileges or complex conditions beyond repeated access."}}}}, "created": "2026-04-14T16:17:58.603877+00:00", "title": "Repeated Authentication Attempts Allow Unauthorized Account Access", "updated": "2026-04-14T16:30:21.070322+00:00", "vendors": ["schneider-electric", "schneider-electric$PRODUCT$powerchute_serial_shutdown"]}