{
  "cveId": "CVE-2021-42550",
  "url": "https://patchblox.com/security/cve/CVE-2021-42550",
  "summary": "CVE-2021-42550 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2021-42550, released December 16, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "logback: In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files co...",
  "description": "In logback version 1.2.7 and prior versions, an attacker with the required privileges to edit configurations files could craft a malicious configuration allowing to execute arbitrary code loaded from LDAP servers.",
  "published": "2021-12-16T11:15:00Z",
  "severity": "medium",
  "cvss": 6.6,
  "cvssVector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.0477,
  "epssPercentile": 0.91969,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libdb",
      "release": "rocky 8",
      "fixedVersion": "0:5.3.28-42.el8_4",
      "fix": "RLSA-2022:5498",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-5498",
      "released": "2022-07-05T13:55:16Z"
    },
    {
      "platform": "linux",
      "product": "liblogback-java",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:1.2.3-2ubuntu1~18.04.1\u002Besm1",
      "fix": "liblogback-java 1:1.2.3-2ubuntu1~18.04.1\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-liblogback-java-1-1.2.3-2ubuntu1-18.04.1-esm1",
      "released": "2023-11-29T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "liblogback-java",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:1.2.3-5ubuntu0.1~esm1",
      "fix": "liblogback-java 1:1.2.3-5ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-liblogback-java-1-1.2.3-5ubuntu0.1-esm1",
      "released": "2023-11-29T04:15:00Z"
    },
    {
      "platform": "linux",
      "product": "logback",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1:1.2.8-1",
      "fix": "DEBIAN-CVE-2021-42550",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-42550",
      "released": "2021-12-16T19:15:08Z"
    },
    {
      "platform": "linux",
      "product": "logback",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1:1.2.8-1",
      "fix": "DEBIAN-CVE-2021-42550",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-42550",
      "released": "2021-12-16T19:15:08Z"
    },
    {
      "platform": "linux",
      "product": "logback",
      "release": "Debian 14",
      "fixedVersion": "1:1.2.8-1",
      "fix": "DEBIAN-CVE-2021-42550",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-42550",
      "released": "2021-12-16T19:15:08Z"
    }
  ],
  "noFixYet": [],
  "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"
  }
}