{
  "cveId": "CVE-2020-25653",
  "url": "https://patchblox.com/security/cve/CVE-2020-25653",
  "summary": "CVE-2020-25653 is fixed in spice-vdagent on 1 platform, first by spice-vdagent 0.17.0-1ubuntu2.2, released November 2, 2020. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "spice-vdagent: A race condition vulnerability was found in the way the spice-vdagentddaemon handled new client connections",
  "description": "A race condition vulnerability was found in the way the spice-vdagentddaemon handled new client connections. This flaw may allow an unprivilegedlocal guest user to become the active agent for spice-vdagentd, possiblyresulting in a denial of service or information leakage from the host. Thehighest threat from this vulnerability is to data confidentiality as wellas system availability. This flaw affects spice-vdagent versions 0.20 andprior.",
  "published": "2020-11-02T16:00:00Z",
  "severity": "Low",
  "cvss": 6.4,
  "epss": 0.0033,
  "epssPercentile": 0.26329,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "spice-vdagent",
      "release": "RHEL 8",
      "fixedVersion": "0:0.20.0-3.el8",
      "fix": "RHSA-2021:1791",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1791",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "spice-vdagent",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "0.17.0-1ubuntu2.2",
      "fix": "spice-vdagent 0.17.0-1ubuntu2.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-spice-vdagent-0.17.0-1ubuntu2.2",
      "released": "2020-11-02T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "spice-vdagent",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "0.19.0-2ubuntu0.2",
      "fix": "spice-vdagent 0.19.0-2ubuntu0.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-spice-vdagent-0.19.0-2ubuntu0.2",
      "released": "2020-11-02T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "spice-vdagent",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "0.20.0-1ubuntu0.1",
      "fix": "spice-vdagent 0.20.0-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-spice-vdagent-0.20.0-1ubuntu0.1",
      "released": "2020-11-03T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "spice-vdagent",
      "release": "Ubuntu 25.04 (plucky)",
      "fixedVersion": "0.20.0-1ubuntu0.1",
      "fix": "spice-vdagent 0.20.0-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-plucky-spice-vdagent-0.20.0-1ubuntu0.1",
      "released": "2020-11-03T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "spice-vdagent",
      "release": "ol 8",
      "fixedVersion": "0:0.20.0-3.el8",
      "fix": "ELSA-2021-1791",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1791",
      "released": "2021-05-25T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}