CVE-2026-8169

{"id": "CVE-2026-8169", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8169", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-20T18:26:07.254983Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "1c053176-eef3-4d6a-ae0b-24728c86587b", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "1c053176-eef3-4d6a-ae0b-24728c86587b", "affectedData": [{"vendor": "Extreme Networks", "product": "Switch Engine (EXOS)", "versions": [{"status": "affected", "version": "0", "lessThan": "31.7.4", "versionType": "custom"}, {"status": "affected", "version": "32.0.0", "lessThan": "32.7.4.15", "versionType": "custom"}, {"status": "affected", "version": "33.0.0", "lessThan": "33.1.100", "versionType": "custom"}, {"status": "affected", "version": "33.2.0", "lessThan": "33.7.1", "versionType": "custom"}], "platforms": ["Switch Engine"], "defaultStatus": "unaffected"}]}], "published": "2026-07-20T18:16:56.420", "references": [{"url": "https://www.extremenetworks.com/support/policies/product-security", "source": "1c053176-eef3-4d6a-ae0b-24728c86587b"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "1c053176-eef3-4d6a-ae0b-24728c86587b", "description": [{"lang": "en", "value": "CWE-338"}]}], "descriptions": [{"lang": "en", "value": "ExtremeXOS (EXOS) uses a challenge-response mechanism to authorize access to the privileged debug-mode function. The challenge value is generated using an insufficiently random source, which under certain conditions may allow an attacker to predict the expected response and activate debug-mode without authorization. Depending on device configuration and version, this may enable escalation to root-level access and persistent modification of the device software stack. Exploitation requires either a valid low-privilege account on the device (remote scenario) or physical serial console access (local scenario). This vulnerability is distinct from CVE-2017-14329, which addressed a different issue involving Python script privileges.\n\n\n\nExtreme would like to thank Hadrien Barral (Universit\u00e9 Gustave Eiffel) and Georges-Axel Jaloyan (French Ministry of the Interior) for responsible disclosure of their findings."}, {"lang": "es", "value": "ExtremeXOS (EXOS) utiliza un mecanismo de desaf\u00edo-respuesta para autorizar el acceso a la funci\u00f3n privilegiada de modo de depuraci\u00f3n. El valor del desaf\u00edo se genera utilizando una fuente insuficientemente aleatoria, lo que bajo ciertas condiciones puede permitir a un atacante predecir la respuesta esperada y activar el modo de depuraci\u00f3n sin autorizaci\u00f3n. Dependiendo de la configuraci\u00f3n y versi\u00f3n del dispositivo, esto puede permitir la escalada a acceso a nivel de root y la modificaci\u00f3n persistente de la pila de software del dispositivo. La explotaci\u00f3n requiere ya sea una cuenta v\u00e1lida de bajo privilegio en el dispositivo (escenario remoto) o acceso f\u00edsico a la consola serie (escenario local). Esta vulnerabilidad es distinta de CVE-2017-14329, que abordaba un problema diferente que involucraba privilegios de script de Python.\n\nExtreme desea agradecer a Hadrien Barral (Universit\u00e9 Gustave Eiffel) y Georges-Axel Jaloyan (Ministerio del Interior franc\u00e9s) por la divulgaci\u00f3n responsable de sus hallazgos."}], "lastModified": "2026-10-24T20:10:00.137", "sourceIdentifier": "1c053176-eef3-4d6a-ae0b-24728c86587b"}