CVE-2025-54126

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{"affected": [{"affectedData": [{"product": "wasm-micro-runtime", "vendor": "bytecodealliance", "versions": [{"status": "affected", "version": "< 2.4.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bytecodealliance:webassembly_micro_runtime:*:*:*:*:*:*:*:*", "matchCriteriaId": "C5E8A970-9B85-42EE-9AAE-545559A6A948", "versionEndIncluding": "2.4.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The WebAssembly Micro Runtime's (WAMR) iwasm package is the executable binary built with WAMR VMcore which supports WebAssembly System Interface (WASI) and command line interface. In versions 2.4.0 and below, iwasm uses --addr-pool with an IPv4 address that lacks a subnet mask, allowing the system to accept all IP addresses. This can unintentionally expose the service to all incoming connections and bypass intended access restrictions. Services relying on --addr-pool for restricting access by IP may unintentionally become open to all external connections. This may lead to unauthorized access in production deployments, especially when users assume that specifying an IP without a subnet mask implies a default secure configuration. This is fixed in version 2.4.1."}, {"lang": "es", "value": "El paquete iwasm de WebAssembly Micro Runtime (WAMR) es el binario ejecutable compilado con WAMR VMcore, compatible con WebAssembly System Interface (WASI) y la interfaz de l\u00ednea de comandos. En las versiones 2.4.0 y anteriores, iwasm utiliza --addr-pool con una direcci\u00f3n IPv4 sin m\u00e1scara de subred, lo que permite que el sistema acepte todas las direcciones IP. Esto puede exponer involuntariamente el servicio a todas las conexiones entrantes y eludir las restricciones de acceso previstas. Los servicios que dependen de --addr-pool para restringir el acceso por IP pueden quedar involuntariamente abiertos a todas las conexiones externas. Esto puede provocar accesos no autorizados en implementaciones de producci\u00f3n, especialmente cuando los usuarios asumen que especificar una IP sin m\u00e1scara de subred implica una configuraci\u00f3n segura predeterminada. Esto se ha corregido en la versi\u00f3n 2.4.1."}], "id": "CVE-2025-54126", "lastModified": "2026-06-17T09:39:29.810", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "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": "LOW", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/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": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-54126", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-07-30T18:12:10.571457Z", "version": "2.0.3"}}]}, "published": "2025-07-29T22:15:25.503", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/bytecodealliance/wasm-micro-runtime/commit/121232a9957a069bbb04ebda053bdc72ab409e7a"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/bytecodealliance/wasm-micro-runtime/releases/tag/WAMR-2.4.1"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/bytecodealliance/wasm-micro-runtime/security/advisories/GHSA-vh64-mfvw-pxqp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-668"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-07-30T11:10:22.346729+00:00", "updated": "2025-07-30T11:10:22.346860+00:00", "vendors": ["bytecodealliance", "bytecodealliance$PRODUCT$webassembly_micro_runtime"]}