{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-14034", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-04-01T21:21:41.800Z", "datePublished": "2026-04-02T20:01:23.748Z", "dateUpdated": "2026-05-14T02:07:13.288Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-05-14T02:07:13.288Z"}, "title": "Hirschmann HiEOS Authentication Bypass via HTTP Management Module", "descriptions": [{"lang": "en", "value": "Hirschmann HiEOS devices versions prior to 01.1.00 contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by sending specially crafted HTTP(S) requests. Attackers can exploit improper authentication handling to obtain elevated privileges and perform unauthorized actions including configuration download or upload and firmware modification."}], "datePublic": "2024-04-26T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-287", "description": "Improper Authentication (CWE-287)", "type": "CWE"}]}], "affected": [{"vendor": "Belden", "product": "Hirschmann HiEOS LRS11", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThan": "01.1.00"}], "defaultStatus": "unaffected"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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": "CRITICAL", "baseScore": 9.3, "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"}}], "references": [{"url": "https://assets.belden.com/m/7ec5c6da25ef288/original/Belden_Security_Bulletin_BSECV-2024-02_1v0.pdf", "name": "Belden Security Bulletins", "tags": ["vendor-advisory"]}, {"url": "https://www.vulncheck.com/advisories/hirschmann-hieos-authentication-bypass-via-http-management-module", "tags": ["third-party-advisory"]}], "source": {"discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-03T13:38:37.515745Z", "id": "CVE-2024-14034", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-03T13:41:18.277Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-14034", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-04-03T13:38:37.515745Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-03T13:39:35.339Z"}}], "cna": {"title": "Hirschmann HiEOS Authentication Bypass via HTTP Management Module", "source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Belden", "product": "Hirschmann HiEOS LRS11", "versions": [{"status": "affected", "version": "0", "lessThan": "01.1.00", "versionType": "custom"}], "defaultStatus": "unaffected"}], "datePublic": "2024-04-26T00:00:00.000Z", "references": [{"url": "https://assets.belden.com/m/7ec5c6da25ef288/original/Belden_Security_Bulletin_BSECV-2024-02_1v0.pdf", "name": "Belden Security Bulletins", "tags": ["vendor-advisory"]}, {"url": "https://www.vulncheck.com/advisories/hirschmann-hieos-authentication-bypass-via-http-management-module", "tags": ["third-party-advisory"]}], "descriptions": [{"lang": "en", "value": "Hirschmann HiEOS devices versions prior to 01.1.00 contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by sending specially crafted HTTP(S) requests. Attackers can exploit improper authentication handling to obtain elevated privileges and perform unauthorized actions including configuration download or upload and firmware modification."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "Improper Authentication (CWE-287)"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-05-14T02:07:13.288Z"}}}, "cveMetadata": {"cveId": "CVE-2024-14034", "state": "PUBLISHED", "dateUpdated": "2026-05-14T02:07:13.288Z", "dateReserved": "2026-04-01T21:21:41.800Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-04-02T20:01:23.748Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Hirschmann HiEOS devices versions prior to 01.1.00 contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by sending specially crafted HTTP(S) requests. Attackers can exploit improper authentication handling to obtain elevated privileges and perform unauthorized actions including configuration download or upload and firmware modification."}], "id": "CVE-2024-14034", "lastModified": "2026-04-03T23:17:01.753", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "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": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-04-02T20:16:19.943", "references": [{"source": "disclosure@vulncheck.com", "url": "https://assets.belden.com/m/7ec5c6da25ef288/original/Belden_Security_Bulletin_BSECV-2024-02_1v0.pdf"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/hirschmann-hieos-authentication-bypass-via-http-management-module"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,01.1.00)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Hirschmann HiEOS LRS11", "source": "cna", "vendor": "Belden"}, "product": "hirschmann_hieos", "vendor": "belden"}], "analysis": {"en": {"generated_at": "2026-04-03T01:21:21.628626+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update (01.1.00 or newer) to the Hirschmann HiEOS LRS11 device.", "Restrict external network access to the HTTP(S) management interface using a firewall or subnet segmentation.", "Regularly monitor device logs for unauthorized configuration changes or firmware uploads.", "Follow the vendor's security bulletin for any further guidance or updates."], "summary": {"action": "Immediate Patch", "impact": "Remote code execution via unauthenticated access to device management interface"}, "threat_synthesis": {"affected_systems": "All Hirschmann HiEOS LRS11 devices running firmware versions earlier than 01.1.00 are affected. The vulnerability is tied to the vendor product identified as Belden:Hirschmann HiEOS LRS11.", "description_and_impact": "The vulnerability resides in the HTTP(S) management module of Hirschmann HiEOS devices and permits any remote attacker, without credentials, to bypass authentication. By sending specially crafted requests, an attacker can obtain full administrative privileges, download or upload device configuration, and modify firmware. This effectively allows any remote code or configuration change, compromising the integrity and availability of the device.", "risk_and_exploitability": "The vulnerability carries a CVSS score of 9.3, indicating critical severity. No EPSS score is available, and the issue is not listed in the CISA KEV catalog. Attackers can exploit the flaw over the network by accessing the HTTP(S) management interface, which is often exposed to management networks or the Internet. Because authentication is bypassed entirely, no additional credentials or privileges are required, making exploitation straightforward."}}}}, "created": "2026-04-03T08:57:58.856690+00:00", "updated": "2026-04-03T09:16:15.787892+00:00", "vendors": ["belden", "belden$PRODUCT$hirschmann_hieos"]}