{"id":18944,"date":"2025-09-24T17:54:52","date_gmt":"2025-09-24T17:54:52","guid":{"rendered":"http:\/\/localhost\/?p=18944"},"modified":"2025-09-24T17:54:52","modified_gmt":"2025-09-24T17:54:52","slug":"cve-2025-20160","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=18944","title":{"rendered":"CVE-2025-20160_CVE-2025-20160"},"content":{"rendered":"

{“lastseen”:””,”description”:”A vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to view sensitive data or bypass authentication. \\r\\n\\r This vulnerability exists because the system does not properly check whether the required TACACS+ shared secret is configured. A machine-in-the-middle attacker could exploit this vulnerability by intercepting and reading unencrypted TACACS+ messages or impersonating the TACACS+ server and falsely accepting arbitrary authentication requests. A successful exploit could allow the attacker to view sensitive information in a TACACS+ message or bypass authentication and gain access to the affected device.”,”published”:”2025-09-24T17:10:22.652Z”,”modified”:”2025-09-24T18:15:04.577Z”,”type”:”cve”,”title”:”CVE-2025-20160″,”source”:”cisco”,”references”:”https:\/\/sec.cloudapps.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-ios-tacacs-hdB7thJw”,”id”:”CVE-2025-20160″,”bulletinFamily”:””,”cwe”:null,”cvelist”:null,”sourceData”:”Cisco IOS 15.2(6)E1\\nCisco IOS 15.2(4)E6\\nCisco IOS 15.2(6)E2\\nCisco IOS 15.2(4)E7\\nCisco IOS 15.2(7)E\\nCisco IOS 15.2(4)E8\\nCisco IOS 15.2(6)E2a\\nCisco IOS 15.2(6)E2b\\nCisco IOS 15.2(7)E1\\nCisco IOS 15.2(7)E0a\\nCisco IOS 15.2(7)E0b\\nCisco IOS 15.2(7)E0s\\nCisco IOS 15.2(6)E3\\nCisco IOS 15.2(4)E9\\nCisco IOS 15.2(7)E2\\nCisco IOS 15.2(7a)E0b\\nCisco IOS 15.2(4)E10\\nCisco IOS 15.2(7)E3\\nCisco IOS 15.2(7)E1a\\nCisco IOS 15.2(7b)E0b\\nCisco IOS 15.2(7)E2a\\nCisco IOS 15.2(4)E10a\\nCisco IOS 15.2(7)E4\\nCisco IOS 15.2(7)E3k\\nCisco IOS 15.2(8)E\\nCisco IOS 15.2(8)E1\\nCisco IOS 15.2(7)E5\\nCisco IOS 15.2(7)E6\\nCisco IOS 15.2(8)E2\\nCisco IOS 15.2(4)E10d\\nCisco IOS 15.2(7)E7\\nCisco IOS 15.2(8)E3\\nCisco IOS 15.2(7)E8\\nCisco IOS 15.2(8)E4\\nCisco IOS 15.2(7)E9\\nCisco IOS 15.2(8)E5\\nCisco IOS 15.2(8)E6\\nCisco IOS 15.2(7)E10\\nCisco IOS 15.2(7)E11\\nCisco IOS 15.2(8)E7\\nCisco IOS 15.2(7)E12\\nCisco IOS 15.5(3)S8\\nCisco IOS 15.5(3)S9\\nCisco IOS 15.5(3)S10\\nCisco IOS 15.5(3)S9a\\nCisco IOS 15.2(6)EB\\nCisco IOS 15.5(3)M7\\nCisco IOS 15.5(3)M8\\nCisco IOS 15.5(3)M9\\nCisco IOS 15.5(3)M10\\nCisco IOS 15.6(2)SP5\\nCisco IOS 15.6(2)SP6\\nCisco IOS 15.6(2)SP7\\nCisco IOS 15.6(2)SP8\\nCisco IOS 15.6(2)SP9\\nCisco IOS 15.6(3)M4\\nCisco IOS 15.6(3)M5\\nCisco IOS 15.6(3)M6\\nCisco IOS 15.6(3)M7\\nCisco IOS 15.6(3)M6a\\nCisco IOS 15.6(3)M6b\\nCisco IOS 15.6(3)M8\\nCisco IOS 15.6(3)M9\\nCisco IOS 15.5(1)SY2\\nCisco IOS 15.5(1)SY3\\nCisco IOS 15.5(1)SY4\\nCisco IOS 15.5(1)SY5\\nCisco IOS 15.5(1)SY6\\nCisco IOS 15.5(1)SY7\\nCisco IOS 15.5(1)SY8\\nCisco IOS 15.5(1)SY9\\nCisco IOS 15.5(1)SY10\\nCisco IOS 15.5(1)SY11\\nCisco IOS 15.5(1)SY12\\nCisco IOS 15.5(1)SY13\\nCisco IOS 15.5(1)SY14\\nCisco IOS 15.5(1)SY15\\nCisco IOS 15.7(3)M3\\nCisco IOS 15.7(3)M2\\nCisco IOS 15.7(3)M4\\nCisco IOS 15.7(3)M5\\nCisco IOS 15.7(3)M4a\\nCisco IOS 15.7(3)M4b\\nCisco IOS 15.7(3)M6\\nCisco IOS 15.7(3)M7\\nCisco IOS 15.7(3)M8\\nCisco IOS 15.7(3)M9\\nCisco IOS 15.8(3)M\\nCisco IOS 15.8(3)M1\\nCisco IOS 15.8(3)M0a\\nCisco IOS 15.8(3)M0b\\nCisco IOS 15.8(3)M2\\nCisco IOS 15.8(3)M1a\\nCisco IOS 15.8(3)M3\\nCisco IOS 15.8(3)M2a\\nCisco IOS 15.8(3)M4\\nCisco IOS 15.8(3)M3a\\nCisco IOS 15.8(3)M3b\\nCisco IOS 15.8(3)M5\\nCisco IOS 15.8(3)M6\\nCisco IOS 15.8(3)M7\\nCisco IOS 15.8(3)M8\\nCisco IOS 15.8(3)M9\\nCisco IOS 15.9(3)M\\nCisco IOS 15.9(3)M1\\nCisco IOS 15.9(3)M0a\\nCisco IOS 15.9(3)M2\\nCisco IOS 15.9(3)M3\\nCisco IOS 15.9(3)M2a\\nCisco IOS 15.9(3)M3a\\nCisco IOS 15.9(3)M4\\nCisco IOS 15.9(3)M3b\\nCisco IOS 15.9(3)M5\\nCisco IOS 15.9(3)M4a\\nCisco IOS 15.9(3)M6\\nCisco IOS 15.9(3)M7\\nCisco IOS 15.9(3)M6a\\nCisco IOS 15.9(3)M6b\\nCisco IOS 15.9(3)M8\\nCisco IOS 15.9(3)M7a\\nCisco IOS 15.9(3)M9\\nCisco IOS 15.9(3)M8b\\nCisco IOS 15.9(3)M10\\nCisco IOS 15.9(3)M11\\nCisco Cisco IOS XE Software 3.16.8S\\nCisco Cisco IOS XE Software 3.16.9S\\nCisco Cisco IOS XE Software 3.16.10S\\nCisco Cisco IOS XE Software 3.8.6E\\nCisco Cisco IOS XE Software 3.8.7E\\nCisco Cisco IOS XE Software 3.8.8E\\nCisco Cisco IOS XE Software 3.8.9E\\nCisco Cisco IOS XE Software 3.8.10E\\nCisco Cisco IOS XE Software 3.8.10eE\\nCisco Cisco IOS XE Software 3.18.5SP\\nCisco Cisco IOS XE Software 3.18.6SP\\nCisco Cisco IOS XE Software 3.18.7SP\\nCisco Cisco IOS XE Software 3.18.8aSP\\nCisco Cisco IOS XE Software 3.18.9SP\\nCisco Cisco IOS XE Software 16.6.5\\nCisco Cisco IOS XE Software 16.6.5a\\nCisco Cisco IOS XE Software 16.6.6\\nCisco Cisco IOS XE Software 16.6.7\\nCisco Cisco IOS XE Software 16.6.8\\nCisco Cisco IOS XE Software 16.6.9\\nCisco Cisco IOS XE Software 16.6.10\\nCisco Cisco IOS XE Software 16.8.1\\nCisco Cisco IOS XE Software 16.8.1a\\nCisco Cisco IOS XE Software 16.8.1b\\nCisco Cisco IOS XE Software 16.8.1s\\nCisco Cisco IOS XE Software 16.8.1c\\nCisco Cisco IOS XE Software 16.8.1d\\nCisco Cisco IOS XE Software 16.8.2\\nCisco Cisco IOS XE Software 16.8.1e\\nCisco Cisco IOS XE Software 16.8.3\\nCisco Cisco IOS XE Software 16.9.1\\nCisco Cisco IOS XE Software 16.9.2\\nCisco Cisco IOS XE Software 16.9.1a\\nCisco Cisco IOS XE Software 16.9.1b\\nCisco Cisco IOS XE Software 16.9.1s\\nCisco Cisco IOS XE Software 16.9.3\\nCisco Cisco IOS XE Software 16.9.4\\nCisco Cisco IOS XE Software 16.9.3a\\nCisco Cisco IOS XE Software 16.9.5\\nCisco Cisco IOS XE Software 16.9.5f\\nCisco Cisco IOS XE Software 16.9.6\\nCisco Cisco IOS XE Software 16.9.7\\nCisco Cisco IOS XE Software 16.9.8\\nCisco Cisco IOS XE Software 16.10.1\\nCisco Cisco IOS XE Software 16.10.1a\\nCisco Cisco IOS XE Software 16.10.1b\\nCisco Cisco IOS XE Software 16.10.1s\\nCisco Cisco IOS XE Software 16.10.1c\\nCisco Cisco IOS XE Software 16.10.1e\\nCisco Cisco IOS XE Software 16.10.1d\\nCisco Cisco IOS XE Software 16.10.2\\nCisco Cisco IOS XE Software 16.10.1f\\nCisco Cisco IOS XE Software 16.10.1g\\nCisco Cisco IOS XE Software 16.10.3\\nCisco Cisco IOS XE Software 3.10.1E\\nCisco Cisco IOS XE Software 3.10.2E\\nCisco Cisco IOS XE Software 3.10.3E\\nCisco Cisco IOS XE Software 16.11.1\\nCisco Cisco IOS XE Software 16.11.1a\\nCisco Cisco IOS XE Software 16.11.1b\\nCisco Cisco IOS XE Software 16.11.2\\nCisco Cisco IOS XE Software 16.11.1s\\nCisco Cisco IOS XE Software 16.12.1\\nCisco Cisco IOS XE Software 16.12.1s\\nCisco Cisco IOS XE Software 16.12.1a\\nCisco Cisco IOS XE Software 16.12.1c\\nCisco Cisco IOS XE Software 16.12.1w\\nCisco Cisco IOS XE Software 16.12.2\\nCisco Cisco IOS XE Software 16.12.1y\\nCisco Cisco IOS XE Software 16.12.2a\\nCisco Cisco IOS XE Software 16.12.3\\nCisco Cisco IOS XE Software 16.12.8\\nCisco Cisco IOS XE Software 16.12.2s\\nCisco Cisco IOS XE Software 16.12.1x\\nCisco Cisco IOS XE Software 16.12.1t\\nCisco Cisco IOS XE Software 16.12.4\\nCisco Cisco IOS XE Software 16.12.3s\\nCisco Cisco IOS XE Software 16.12.3a\\nCisco Cisco IOS XE Software 16.12.4a\\nCisco Cisco IOS XE Software 16.12.5\\nCisco Cisco IOS XE Software 16.12.6\\nCisco Cisco IOS XE Software 16.12.1z1\\nCisco Cisco IOS XE Software 16.12.5a\\nCisco Cisco IOS XE Software 16.12.5b\\nCisco Cisco IOS XE Software 16.12.1z2\\nCisco Cisco IOS XE Software 16.12.6a\\nCisco Cisco IOS XE Software 16.12.7\\nCisco Cisco IOS XE Software 16.12.9\\nCisco Cisco IOS XE Software 16.12.10\\nCisco Cisco IOS XE Software 16.12.10a\\nCisco Cisco IOS XE Software 16.12.11\\nCisco Cisco IOS XE Software 16.12.12\\nCisco Cisco IOS XE Software 16.12.13\\nCisco Cisco IOS XE Software 3.11.0E\\nCisco Cisco IOS XE Software 3.11.1E\\nCisco Cisco IOS XE Software 3.11.2E\\nCisco Cisco IOS XE Software 3.11.3E\\nCisco Cisco IOS XE Software 3.11.1aE\\nCisco Cisco IOS XE Software 3.11.4E\\nCisco Cisco IOS XE Software 3.11.3aE\\nCisco Cisco IOS XE Software 3.11.5E\\nCisco Cisco IOS XE Software 3.11.6E\\nCisco Cisco IOS XE Software 3.11.7E\\nCisco Cisco IOS XE Software 3.11.8E\\nCisco Cisco IOS XE Software 3.11.9E\\nCisco Cisco IOS XE Software 3.11.10E\\nCisco Cisco IOS XE Software 3.11.11E\\nCisco Cisco IOS XE Software 3.11.12E\\nCisco Cisco IOS XE Software 17.1.1\\nCisco Cisco IOS XE Software 17.1.1a\\nCisco Cisco IOS XE Software 17.1.1s\\nCisco Cisco IOS XE Software 17.1.1t\\nCisco Cisco IOS XE Software 17.1.3\\nCisco Cisco IOS XE Software 17.2.1\\nCisco Cisco IOS XE Software 17.2.1r\\nCisco Cisco IOS XE Software 17.2.1a\\nCisco Cisco IOS XE Software 17.2.1v\\nCisco Cisco IOS XE Software 17.2.2\\nCisco Cisco IOS XE Software 17.2.3\\nCisco Cisco IOS XE Software 17.3.1\\nCisco Cisco IOS XE Software 17.3.2\\nCisco Cisco IOS XE Software 17.3.3\\nCisco Cisco IOS XE Software 17.3.1a\\nCisco Cisco IOS XE Software 17.3.1w\\nCisco Cisco IOS XE Software 17.3.2a\\nCisco Cisco IOS XE Software 17.3.1x\\nCisco Cisco IOS XE Software 17.3.1z\\nCisco Cisco IOS XE Software 17.3.4\\nCisco Cisco IOS XE Software 17.3.5\\nCisco Cisco IOS XE Software 17.3.4a\\nCisco Cisco IOS XE Software 17.3.6\\nCisco Cisco IOS XE Software 17.3.4b\\nCisco Cisco IOS XE Software 17.3.4c\\nCisco Cisco IOS XE Software 17.3.5a\\nCisco Cisco IOS XE Software 17.3.5b\\nCisco Cisco IOS XE Software 17.3.7\\nCisco Cisco IOS XE Software 17.3.8\\nCisco Cisco IOS XE Software 17.3.8a\\nCisco Cisco IOS XE Software 17.4.1\\nCisco Cisco IOS XE Software 17.4.2\\nCisco Cisco IOS XE Software 17.4.1a\\nCisco Cisco IOS XE Software 17.4.1b\\nCisco Cisco IOS XE Software 17.4.2a\\nCisco Cisco IOS XE Software 17.5.1\\nCisco Cisco IOS XE Software 17.5.1a\\nCisco Cisco IOS XE Software 17.6.1\\nCisco Cisco IOS XE Software 17.6.2\\nCisco Cisco IOS XE Software 17.6.1w\\nCisco Cisco IOS XE Software 17.6.1a\\nCisco Cisco IOS XE Software 17.6.1x\\nCisco Cisco IOS XE Software 17.6.3\\nCisco Cisco IOS XE Software 17.6.1y\\nCisco Cisco IOS XE Software 17.6.1z\\nCisco Cisco IOS XE Software 17.6.3a\\nCisco Cisco IOS XE Software 17.6.4\\nCisco Cisco IOS XE Software 17.6.1z1\\nCisco Cisco IOS XE Software 17.6.5\\nCisco Cisco IOS XE Software 17.6.6\\nCisco Cisco IOS XE Software 17.6.6a\\nCisco Cisco IOS XE Software 17.6.5a\\nCisco Cisco IOS XE Software 17.6.7\\nCisco Cisco IOS XE Software 17.6.8\\nCisco Cisco IOS XE Software 17.6.8a\\nCisco Cisco IOS XE Software 17.7.1\\nCisco Cisco IOS XE Software 17.7.1a\\nCisco Cisco IOS XE Software 17.7.1b\\nCisco Cisco IOS XE Software 17.7.2\\nCisco Cisco IOS XE Software 17.10.1\\nCisco Cisco IOS XE Software 17.10.1a\\nCisco Cisco IOS XE Software 17.10.1b\\nCisco Cisco IOS XE Software 17.8.1\\nCisco Cisco IOS XE Software 17.8.1a\\nCisco Cisco IOS XE Software 17.9.1\\nCisco Cisco IOS XE Software 17.9.1w\\nCisco Cisco IOS XE Software 17.9.2\\nCisco Cisco IOS XE Software 17.9.1a\\nCisco Cisco IOS XE Software 17.9.1x\\nCisco Cisco IOS XE Software 17.9.1y\\nCisco Cisco IOS XE Software 17.9.3\\nCisco Cisco IOS XE Software 17.9.2a\\nCisco Cisco IOS XE Software 17.9.1×1\\nCisco Cisco IOS XE Software 17.9.3a\\nCisco Cisco IOS XE Software 17.9.4\\nCisco Cisco IOS XE Software 17.9.1y1\\nCisco Cisco IOS XE Software 17.9.5\\nCisco Cisco IOS XE Software 17.9.4a\\nCisco Cisco IOS XE Software 17.9.5a\\nCisco Cisco IOS XE Software 17.9.5b\\nCisco Cisco IOS XE Software 17.9.6\\nCisco Cisco IOS XE Software 17.9.6a\\nCisco Cisco IOS XE Software 17.9.7\\nCisco Cisco IOS XE Software 17.9.5e\\nCisco Cisco IOS XE Software 17.9.5f\\nCisco Cisco IOS XE Software 17.9.7a\\nCisco Cisco IOS XE Software 17.9.7b\\nCisco Cisco IOS XE Software 17.11.1\\nCisco Cisco IOS XE Software 17.11.1a\\nCisco Cisco IOS XE Software 17.12.1\\nCisco Cisco IOS XE Software 17.12.1w\\nCisco Cisco IOS XE Software 17.12.1a\\nCisco Cisco IOS XE Software 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XE Software 17.15.2\\nCisco Cisco IOS XE Software 17.15.1b\\nCisco Cisco IOS XE Software 17.15.1x\\nCisco Cisco IOS XE Software 17.15.1z\\nCisco Cisco IOS XE Software 17.15.3\\nCisco Cisco IOS XE Software 17.15.2c\\nCisco Cisco IOS XE Software 17.15.2a\\nCisco Cisco IOS XE Software 17.15.1y\\nCisco Cisco IOS XE Software 17.15.2b\\nCisco Cisco IOS XE Software 17.15.3a\\nCisco Cisco IOS XE Software 17.15.3b”,”sourceHref”:””,”cvss”:{“score”:8.1,”severity”:”HIGH”,”vector”:”CVSS:3.1\/AV:N\/AC:H\/PR:N\/UI:N\/S:U\/C:H\/I:H\/A:H”,”version”:”3.1″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”IOS”,”version”:”15.2(6)E1″,”vendor”:”Cisco”,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"

{“lastseen”:””,”description”:”A vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,52,12,15,13,7,11,5],"class_list":["post-18944","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-81","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\nCVE-2025-20160_CVE-2025-20160 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=18944\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CVE-2025-20160_CVE-2025-20160 - 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