{
  "cveId": "CVE-2021-33477",
  "url": "https://patchblox.com/security/cve/CVE-2021-33477",
  "summary": "CVE-2021-33477 is fixed in 7 products on 1 platform, first by aterm 9.22-3ubuntu0.1~esm1, released May 20, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "aterm: rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of imp...",
  "description": "rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.",
  "published": "2021-05-20T13:15:00Z",
  "severity": "Medium",
  "epss": 0.04089,
  "epssPercentile": 0.90791,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "aterm",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "9.22-3ubuntu0.1~esm1",
      "fix": "aterm 9.22-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-aterm-9.22-3ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "aterm",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "9.22-6ubuntu0.1~esm1",
      "fix": "aterm 9.22-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-aterm-9.22-6ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "aterm-ml",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "9.22-3ubuntu0.1~esm1",
      "fix": "aterm-ml 9.22-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-aterm-ml-9.22-3ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "aterm-ml",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "9.22-6ubuntu0.1~esm1",
      "fix": "aterm-ml 9.22-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-aterm-ml-9.22-6ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.7.10-7.1\u002Burxvt9.22-3ubuntu0.1~esm1",
      "fix": "rxvt 1:2.7.10-7.1\u002Burxvt9.22-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-rxvt-1-2.7.10-7.1-urxvt9.22-3ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:2.7.10-7.1\u002Burxvt9.22-6ubuntu0.1~esm1",
      "fix": "rxvt 1:2.7.10-7.1\u002Burxvt9.22-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-rxvt-1-2.7.10-7.1-urxvt9.22-6ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt-ml",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "1:2.7.10-7.1\u002Burxvt9.22-3ubuntu0.1~esm1",
      "fix": "rxvt-ml 1:2.7.10-7.1\u002Burxvt9.22-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-rxvt-ml-1-2.7.10-7.1-urxvt9.22-3ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt-ml",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "1:2.7.10-7.1\u002Burxvt9.22-6ubuntu0.1~esm1",
      "fix": "rxvt-ml 1:2.7.10-7.1\u002Burxvt9.22-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-rxvt-ml-1-2.7.10-7.1-urxvt9.22-6ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt-unicode",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "9.22-3ubuntu0.1~esm1",
      "fix": "rxvt-unicode 9.22-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-rxvt-unicode-9.22-3ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt-unicode",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "9.22-6ubuntu0.1~esm1",
      "fix": "rxvt-unicode 9.22-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-rxvt-unicode-9.22-6ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt-unicode-256color",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "9.22-3ubuntu0.1~esm1",
      "fix": "rxvt-unicode-256color 9.22-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-rxvt-unicode-256color-9.22-3ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt-unicode-256color",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "9.22-6ubuntu0.1~esm1",
      "fix": "rxvt-unicode-256color 9.22-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-rxvt-unicode-256color-9.22-6ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt-unicode-lite",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "9.22-3ubuntu0.1~esm1",
      "fix": "rxvt-unicode-lite 9.22-3ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-rxvt-unicode-lite-9.22-3ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    },
    {
      "platform": "linux",
      "product": "rxvt-unicode-lite",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "9.22-6ubuntu0.1~esm1",
      "fix": "rxvt-unicode-lite 9.22-6ubuntu0.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-rxvt-unicode-lite-9.22-6ubuntu0.1-esm1",
      "released": "2021-05-20T13:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}