{"id":"CVE-2021-34744","aliases":["EUVD-2021-21394","GHSA-6p84-q2x8-cmx7"],"status":"published","title":"Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities","description":"Multiple vulnerabilities in Cisco Business 220 Series Smart Switches firmware could allow an attacker with Administrator privileges to access sensitive login credentials or reconfigure the passwords on the user account. For more information about these vulnerabilities, see the Details section of this advisory.","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00749,"percentile":0.55197,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-540","CWE-798"],"published":"2021-10-06T19:46:15Z","modified":"2026-06-17T03:56:28Z","products":[{"vendor":"cisco","product":"business_220-16p-2g_firmware"},{"vendor":"cisco","product":"business_220-16t-2g_firmware"},{"vendor":"cisco","product":"business_220-24fp-4g_firmware"},{"vendor":"cisco","product":"business_220-24fp-4x_firmware"},{"vendor":"cisco","product":"business_220-24p-4g_firmware"},{"vendor":"cisco","product":"business_220-24p-4x_firmware"},{"vendor":"cisco","product":"business_220-24t-4g_firmware"},{"vendor":"cisco","product":"business_220-24t-4x_firmware"},{"vendor":"cisco","product":"business_220-48fp-4x_firmware"},{"vendor":"cisco","product":"business_220-48p-4g_firmware"},{"vendor":"cisco","product":"business_220-48p-4x_firmware"},{"vendor":"cisco","product":"business_220-48t-4g_firmware"},{"vendor":"cisco","product":"business_220-48t-4x_firmware"},{"vendor":"cisco","product":"business_220-8fp-e-2g_firmware"},{"vendor":"cisco","product":"business_220-8p-e-2g_firmware"},{"vendor":"cisco","product":"business_220-8t-e-2g_firmware"},{"vendor":"cisco","product":"cisco small business 220 series smart plus switches"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-hardcoded-cred-MJCEXvX","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34744"},{"url":"https://github.com/advisories/GHSA-6p84-q2x8-cmx7"}],"sources":{"cve":[{"id":"CVE-2021-34744","title":"Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities","description":"Multiple vulnerabilities in Cisco Business 220 Series Smart Switches firmware could allow an attacker with Administrator privileges to access sensitive login credentials or reconfigure the passwords on the user account. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-10-06T19:46:15.969Z","modified":"2024-11-07T21:48:45.164Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-540"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21394","description":"Multiple vulnerabilities in Cisco Business 220 Series Smart Switches firmware could allow an attacker with Administrator privileges to access sensitive login credentials or reconfigure the passwords on the user account. 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For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2022-05-24T19:16:40Z","modified":"2023-01-29T05:02:54Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-798"],"updated_at":"2026-11-02T14:45:11.88268Z"}],"nvd":[{"id":"CVE-2021-34744","description":"Multiple vulnerabilities in Cisco Business 220 Series Smart Switches firmware could allow an attacker with Administrator privileges to access sensitive login credentials or reconfigure the passwords on the user account. For more information about these vulnerabilities, see the Details section of this advisory.","status":"published","published":"2021-10-06T20:15:10.393Z","modified":"2026-06-17T03:56:28.693Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-540","CWE-798"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}