{"id":"CVE-2021-34735","aliases":["EUVD-2021-21385","GHSA-vwqh-mhgj-p4m8"],"status":"published","title":"Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities","description":"Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to perform a command injection attack resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01882,"percentile":0.79621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77","CWE-770"],"published":"2021-10-06T19:46:26Z","modified":"2026-06-17T03:56:27Z","products":[{"vendor":"cisco","product":"ata_190_firmware"},{"vendor":"cisco","product":"ata_191_firmware"},{"vendor":"cisco","product":"ata_192_firmware"},{"vendor":"cisco","product":"cisco analog telephone adaptor (ata) software"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ata19x-multivuln-A4J57F3","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34735"},{"url":"https://github.com/advisories/GHSA-vwqh-mhgj-p4m8"}],"sources":{"cve":[{"id":"CVE-2021-34735","title":"Cisco ATA 190 Series Analog Telephone Adapter Software Vulnerabilities","description":"Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to perform a command injection attack resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-10-06T19:46:26.847Z","modified":"2024-11-07T21:48:32.303Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2021-21385","description":"Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to perform a command injection attack resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-10-06T19:46:26Z","modified":"2024-11-07T21:48:32Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:05:07.279991Z"}],"ghsa":[{"id":"GHSA-vwqh-mhgj-p4m8","title":"Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could...","description":"Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to perform a command injection attack resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2022-05-24T19:16:40Z","modified":"2023-07-16T05:02:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-77","CWE-770"],"updated_at":"2026-11-02T14:54:42.596364Z"}],"nvd":[{"id":"CVE-2021-34735","description":"Multiple vulnerabilities in the Cisco ATA 190 Series Analog Telephone Adapter Software could allow an attacker to perform a command injection attack resulting in remote code execution or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-10-06T20:15:09.863Z","modified":"2026-06-17T03:56:27.36Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}