{
  "cveId": "CVE-2020-10188",
  "url": "https://patchblox.com/security/cve/CVE-2020-10188",
  "summary": "CVE-2020-10188 is fixed in 13 products on 1 platform, first by inetutils-ftp 2:1.9.4-3ubuntu0.1, released March 6, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "telnet-server: Telnet is a popular protocol for logging in to remote systems over the Internet",
  "description": "Telnet is a popular protocol for logging in to remote systems over the Internet. The telnet-server packages include a telnet service that supports remote logins into the host machine. The telnet service is disabled by default.\n\nSecurity Fix(es):\n\n* telnet-server: no bounds checks in nextitem() function allows to remotely execute arbitrary code (CVE-2020-10188)\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": "2020-03-06T07:15:00Z",
  "severity": "Important",
  "cvss": 9.8,
  "epss": 0.74339,
  "epssPercentile": 0.99493,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "inetutils-ftp",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-ftp 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-ftp-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-ftp",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-ftp 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-ftp-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-ftpd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-ftpd 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-ftpd-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-ftpd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-ftpd 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-ftpd-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-inetd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-inetd 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-inetd-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-inetd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-inetd 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-inetd-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-ping",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-ping 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-ping-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-ping",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-ping 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-ping-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-syslogd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-syslogd 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-syslogd-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-syslogd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-syslogd 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-syslogd-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-talk",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-talk 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-talk-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-talk",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-talk 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-talk-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-talkd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-talkd 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-talkd-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-talkd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-talkd 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-talkd-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-telnet",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-telnet 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-telnet-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-telnet",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-telnet 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-telnet-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-telnetd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-telnetd 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-telnetd-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-telnetd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-telnetd 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-telnetd-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-tools",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-tools 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-tools-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-tools",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-tools 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-tools-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-traceroute",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.9.4-3ubuntu0.1",
      "fix": "inetutils-traceroute 2:1.9.4-3ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-inetutils-traceroute-2-1.9.4-3ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "inetutils-traceroute",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.9.4-11ubuntu0.1",
      "fix": "inetutils-traceroute 2:1.9.4-11ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-inetutils-traceroute-2-1.9.4-11ubuntu0.1",
      "released": "2020-03-06T07:15:00Z"
    },
    {
      "platform": "linux",
      "product": "telnet",
      "release": "ol 8",
      "fixedVersion": "1:0.17-73.el8_1.1",
      "fix": "ELSA-2020-1318",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1318",
      "released": "2020-04-07T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "telnet-server",
      "release": "RHEL 8",
      "fixedVersion": "1:0.17-73.el8_1.1",
      "fix": "RHSA-2020:1318",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2020-1318",
      "released": "2020-04-06T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "telnet-server",
      "release": "ol 8",
      "fixedVersion": "1:0.17-73.el8_1.1",
      "fix": "ELSA-2020-1318",
      "url": "https://patchblox.com/security/fix/linux/elsa-2020-1318",
      "released": "2020-04-07T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}