{ "containers": { "cna": { "affected": [ { "product": "Apache Log4j 1.x", "vendor": "Apache Software Foundation", "versions": [ { "lessThan": "unspecified", "status": "affected", "version": "1.2.1", "versionType": "custom" }, { "lessThanOrEqual": "2.0-alpha1", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "@kingkk" } ], "descriptions": [ { "lang": "en", "value": "CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists." } ], "metrics": [ { "other": { "content": { "other": "Critical" }, "type": "unknown" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-502", "description": "CWE-502 Deserialization of Untrusted Data", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-07-25T16:49:30.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://logging.apache.org/log4j/1.2/index.html" }, { "tags": [ "x_refsource_MISC" ], "url": "https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.oracle.com/security-alerts/cpujul2022.html" } ], "source": { "discovery": "UNKNOWN" }, "title": "A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.", "workarounds": [ { "lang": "en", "value": "Upgrade to Apache Log4j 2 and Apache Chainsaw 2.1.0." } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@apache.org", "ID": "CVE-2022-23307", "STATE": "PUBLIC", "TITLE": "A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution." }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Apache Log4j 1.x", "version": { "version_data": [ { "version_affected": ">=", "version_value": "1.2.1" }, { "version_affected": "<=", "version_value": "2.0-alpha1" } ] } } ] }, "vendor_name": "Apache Software Foundation" } ] } }, "credit": [ { "lang": "eng", "value": "@kingkk" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": [ { "other": "Critical" } ], "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-502 Deserialization of Untrusted Data" } ] } ] }, "references": { "reference_data": [ { "name": "https://logging.apache.org/log4j/1.2/index.html", "refsource": "MISC", "url": "https://logging.apache.org/log4j/1.2/index.html" }, { "name": "https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh", "refsource": "MISC", "url": "https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh" }, { "name": "https://www.oracle.com/security-alerts/cpuapr2022.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "name": "https://www.oracle.com/security-alerts/cpujul2022.html", "refsource": "MISC", "url": "https://www.oracle.com/security-alerts/cpujul2022.html" } ] }, "source": { "discovery": "UNKNOWN" }, "work_around": [ { "lang": "en", "value": "Upgrade to Apache Log4j 2 and Apache Chainsaw 2.1.0." } ] } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T03:36:20.396Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://logging.apache.org/log4j/1.2/index.html" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.oracle.com/security-alerts/cpujul2022.html" } ] }, { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-22T13:31:45.470568Z", "id": "CVE-2022-23307", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "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": "2026-05-27T13:44:43.452Z" } } ] }, "cveMetadata": { "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "cveId": "CVE-2022-23307", "datePublished": "2022-01-18T15:25:23.000Z", "dateReserved": "2022-01-17T00:00:00.000Z", "dateUpdated": "2026-05-27T13:44:43.452Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.2" }