CVE-2025-8760

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-8760", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2025-08-08T15:37:24.885Z", "datePublished": "2025-08-13T06:14:02.783Z", "dateUpdated": "2025-08-13T13:31:00.583Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-08-13T06:14:02.783Z"}, "title": "INSTAR 2K+/4K fcgi_server base64_decode buffer overflow", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "Buffer Overflow"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "INSTAR", "product": "2K+", "versions": [{"version": "3.11.1 Build 1124", "status": "affected"}], "modules": ["fcgi_server"]}, {"vendor": "INSTAR", "product": "4K", "versions": [{"version": "3.11.1 Build 1124", "status": "affected"}], "modules": ["fcgi_server"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely."}, {"lang": "de", "value": "Dabei betrifft es die Funktion base64_decode der Komponente fcgi_server. Mittels dem Manipulieren des Arguments Authorization mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen."}], "metrics": [{"cvssV4_0": {"version": "4.0", "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/E:X", "baseSeverity": "CRITICAL"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R", "baseSeverity": "CRITICAL"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R", "baseSeverity": "CRITICAL"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 10, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:ND/RL:W/RC:UR"}}], "timeline": [{"time": "2025-08-13T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2025-08-13T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2025-08-13T08:18:23.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Michael Imfeld (modzero AG)", "type": "finder"}], "references": [{"url": "https://vuldb.com/?id.319863", "name": "VDB-319863 | INSTAR 2K+/4K fcgi_server base64_decode buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.319863", "name": "VDB-319863 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf", "tags": ["related"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-13T13:30:52.219157Z", "id": "CVE-2025-8760", "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": "2025-08-13T13:31:00.583Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-8760", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-08-13T13:30:52.219157Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-13T13:30:55.544Z"}}], "cna": {"title": "INSTAR 2K+/4K fcgi_server base64_decode buffer overflow", "credits": [{"lang": "en", "type": "finder", "value": "Michael Imfeld (modzero AG)"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 9.3, "baseSeverity": "CRITICAL", "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"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 9.8, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 9.8, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 10, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:ND/RL:W/RC:UR"}}], "affected": [{"vendor": "INSTAR", "modules": ["fcgi_server"], "product": "2K+", "versions": [{"status": "affected", "version": "3.11.1 Build 1124"}]}, {"vendor": "INSTAR", "modules": ["fcgi_server"], "product": "4K", "versions": [{"status": "affected", "version": "3.11.1 Build 1124"}]}], "timeline": [{"lang": "en", "time": "2025-08-13T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2025-08-13T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2025-08-13T08:18:23.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/?id.319863", "name": "VDB-319863 | INSTAR 2K+/4K fcgi_server base64_decode buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.319863", "name": "VDB-319863 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf", "tags": ["related"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely."}, {"lang": "de", "value": "Dabei betrifft es die Funktion base64_decode der Komponente fcgi_server. Mittels dem Manipulieren des Arguments Authorization mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "Buffer Overflow"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "Memory Corruption"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-08-13T06:14:02.783Z"}}}, "cveMetadata": {"cveId": "CVE-2025-8760", "state": "PUBLISHED", "dateUpdated": "2025-08-13T13:31:00.583Z", "dateReserved": "2025-08-08T15:37:24.885Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2025-08-13T06:14:02.783Z", "assignerShortName": "VulDB"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"modules": ["fcgi_server"], "product": "2K+", "vendor": "INSTAR", "versions": [{"status": "affected", "version": "3.11.1 Build 1124"}]}, {"modules": ["fcgi_server"], "product": "4K", "vendor": "INSTAR", "versions": [{"status": "affected", "version": "3.11.1 Build 1124"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely."}, {"lang": "es", "value": "Se identific\u00f3 una vulnerabilidad en INSTAR 2K+ y 4K 3.11.1 Build 1124. Esta afecta a la funci\u00f3n base64_decode del componente fcgi_server. La manipulaci\u00f3n del argumento \"Autorizaci\u00f3n\" provoca un desbordamiento del b\u00fafer. El ataque puede ejecutarse en remoto."}], "id": "CVE-2025-8760", "lastModified": "2026-06-17T10:07:34.570", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "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": "cna@vuldb.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": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-8760", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-08-13T13:30:52.219157Z", "version": "2.0.3"}}]}, "published": "2025-08-13T07:15:28.637", "references": [{"source": "cna@vuldb.com", "url": "https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?ctiid.319863"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/?id.319863"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{}