{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-20690",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-20690",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2022-12-07T16:56:01.303Z",
    "updatedAt": "2024-08-03T02:17:53.199Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "Multiple vulnerabilities in the Cisco Discovery Protocol functionality of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, adjacent attacker to cause Cisco Discovery Protocol memory corruption on an affected device.\r\n These vulnerabilities are due to missing length validation checks when processing Cisco Discovery Protocol messages. An attacker could exploit these vulnerabilities by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to cause an out-of-bounds read of the valid Cisco Discovery Protocol packet data, which could allow the attacker to cause corruption in the internal Cisco Discovery Protocol database of the affected device.",
      "affected": [
        {
          "vendor": "Cisco",
          "product": "Cisco Analog Telephone Adaptor (ATA) Software",
          "versions": [
            {
              "version": "1.2.1",
              "status": "affected"
            },
            {
              "version": "1.2.2 SR1",
              "status": "affected"
            },
            {
              "version": "1.2.2",
              "status": "affected"
            },
            {
              "version": "1.2.2 SR2",
              "status": "affected"
            },
            {
              "version": "11.1.0 MSR4",
              "status": "affected"
            },
            {
              "version": "11.1.0",
              "status": "affected"
            },
            {
              "version": "11.1.0 MSR1",
              "status": "affected"
            },
            {
              "version": "11.1.0 MSR2",
              "status": "affected"
            },
            {
              "version": "11.1.0 MSR3",
              "status": "affected"
            },
            {
              "version": "1.1.0",
              "status": "affected"
            },
            {
              "version": "1.1.1",
              "status": "affected"
            },
            {
              "version": "1.1.2",
              "status": "affected"
            },
            {
              "version": "12.0.1 SR2",
              "status": "affected"
            },
            {
              "version": "12.0.1",
              "status": "affected"
            },
            {
              "version": "12.0.1 SR1",
              "status": "affected"
            },
            {
              "version": "12.0.1 SR3",
              "status": "affected"
            },
            {
              "version": "12.0.1 SR4",
              "status": "affected"
            },
            {
              "version": "11.2.1",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}