{
  "cveId": "CVE-2021-4104",
  "url": "https://patchblox.com/security/cve/CVE-2021-4104",
  "summary": "CVE-2021-4104 is fixed in 17 products on 1 platform, first by liblog4j1.2-java 1.2.17-8\u002Bdeb10u1ubuntu0.1, released December 14, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "parfait: Parfait is a Java performance monitoring library that collects metrics and exposes them through a variety of outputs",
  "description": "Parfait is a Java performance monitoring library that collects metrics and exposes them through a variety of outputs. It provides APIs for extracting performance metrics from the JVM and other sources. It interfaces to Performance Co-Pilot (PCP) using the Memory Mapped Value (MMV) machinery for extremely lightweight instrumentation.\n\nSecurity Fix(es):\n\n* log4j: SQL injection in Log4j 1.x when application is configured to use JDBCAppender (CVE-2022-23305)\n\n* log4j: Unsafe deserialization flaw in Chainsaw log viewer (CVE-2022-23307)\n\n* log4j: Remote code execution in Log4j 1.x when application is configured to use JMSAppender (CVE-2021-4104)\n\n* log4j: Remote code execution in Log4j 1.x when application is configured to use JMSSink (CVE-2022-23302)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2021-12-14T04:15:00Z",
  "severity": "Important",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.80599,
  "epssPercentile": 0.99628,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
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  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}