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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:log4cxx:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E1443DD-B968-4005-A287-964C6197FEB0", "versionEndExcluding": "1.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Output Neutralization for Logs vulnerability in Apache Log4cxx.\n\nWhen using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON message. This may prevent applications that consume these logs from correctly interpreting the information within them.\n\nThis issue affects Apache Log4cxx: before 1.5.0.\n\nUsers are recommended to upgrade to version 1.5.0, which fixes the issue."}, {"lang": "es", "value": "Vulnerabilidad de neutralizaci\u00f3n de salida incorrecta para registros en Apache Log4cxx. Al usar JSONLayout, no todos los bytes del payload se escapan correctamente. Si un mensaje proporcionado por un atacante contiene caracteres no imprimibles, estos se pasar\u00e1n en el mensaje y se escribir\u00e1n como parte del mensaje JSON. Esto puede impedir que las aplicaciones que consumen estos registros interpreten correctamente la informaci\u00f3n que contienen. Este problema afecta a Apache Log4cxx: versiones anteriores a la 1.5.0. Se recomienda actualizar a la versi\u00f3n 1.5.0, que soluciona el problema."}], "id": "CVE-2025-54813", "lastModified": "2025-11-04T22:16:29.440", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "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": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/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": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2025-08-22T19:15:40.003", "references": [{"source": "[email protected]", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/apache/logging-log4cxx/pull/512"}, {"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://logging.apache.org/security.html#CVE-2025-54813"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/08/22/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00002.html"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-117"}], "source": "[email protected]", "type": "Secondary"}]}

{"bugzilla": {"description": "apache-log4cxx: Log4cxx: Improper JSON Output Neutralization", "id": "2390431", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2390431"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-117", "details": ["Improper Output Neutralization for Logs vulnerability in Apache Log4cxx.\nWhen using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON message. This may prevent applications that consume these logs from correctly interpreting the information within them.\nThis issue affects Apache Log4cxx: before 1.5.0.\nUsers are recommended to upgrade to version 1.5.0, which fixes the issue."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-54813", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "log4cxx", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2025-08-22T18:45:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-54813\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-54813\nhttps://github.com/apache/logging-log4cxx/pull/512\nhttps://logging.apache.org/security.html#CVE-2025-54813"], "threat_severity": "Moderate"}