{ "document": { "acknowledgments": [ { "summary": "This vulnerability was found during internal security testing." } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "notes": [ { "category": "summary", "title": "Summary", "text": "A vulnerability in Cisco IOS XE SD-WAN Software could allow an unauthenticated, physical attacker to bypass authentication and gain unrestricted access to the root shell of an affected device.\r\n\r\nThe vulnerability exists because the affected software has insufficient authentication mechanisms for certain commands. An attacker could exploit this vulnerability by stopping the boot initialization of an affected device. A successful exploit could allow the attacker to bypass authentication and gain unrestricted access to the root shell of the affected device.\r\n\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n" }, { "category": "general", "title": "Vulnerable Products", "text": "At the time of publication, this vulnerability affected Cisco devices that were running Cisco IOS XE SD-WAN Software releases 16.9.1 through 16.10.1.\r\n\r\nSee the Details section in the bug ID(s) at the top of this advisory for the most complete and current information." }, { "category": "general", "title": "Products Confirmed Not Vulnerable", "text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.\r\n\r\nCisco has confirmed that this vulnerability does not affect the following Cisco products:\r\n\r\nIOS Software\r\nIOS XE Polaris Software\r\nIOS XR Software\r\nNX-OS Software" }, { "category": "general", "title": "Workarounds", "text": "There are no workarounds that address this vulnerability." }, { "category": "general", "title": "Fixed Software", "text": "When considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.\r\n\r\n Fixed Releases\r\nAt the time of publication, Cisco IOS XE SD-WAN Software releases cEdge-16.10.2 and later contained the fix for this vulnerability.\r\n\r\nSee the Details section in the bug ID(s) at the top of this advisory for the most complete and current information." }, { "category": "general", "title": "Vulnerability Policy", "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco." }, { "category": "general", "title": "Exploitation and Public Announcements", "text": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." }, { "category": "general", "title": "Source", "text": "This vulnerability was found during internal security testing." }, { "category": "legal_disclaimer", "title": "Legal Disclaimer", "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products." } ], "publisher": { "category": "vendor", "contact_details": "psirt@cisco.com", "issuing_authority": "Cisco PSIRT", "name": "Cisco", "namespace": "https://wwww.cisco.com" }, "references": [ { "category": "self", "summary": "Cisco IOS XE SD-WAN Software Authentication Bypass Vulnerability", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-auth-b-NzwhJHH7" }, { "category": "external", "summary": "Cisco Security Vulnerability Policy", "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html" }, { "category": "external", "summary": "considering software upgrades", "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes" }, { "category": "external", "summary": "Cisco Security Advisories and Alerts page", "url": "https://www.cisco.com/go/psirt" } ], "title": "Cisco IOS XE SD-WAN Software Authentication Bypass Vulnerability", "tracking": { "current_release_date": "2020-06-03T16:00:00+00:00", "generator": { "date": "2024-05-10T22:50:25+00:00", "engine": { "name": "TVCE" } }, "id": "cisco-sa-auth-b-NzwhJHH7", "initial_release_date": "2020-06-03T16:00:00+00:00", "revision_history": [ { "date": "2020-04-30T19:12:29+00:00", "number": "1.0.0", "summary": "Initial public release." } ], "status": "final", "version": "1.0.0" } }, "product_tree": { "branches": [ { "name": "Cisco", "category": "vendor", "branches": [ { "name": "Cisco IOS XE Catalyst SD-WAN", "category": "product_family", "branches": [ { "name": "16.9", "category": "product_version", "branches": [ { "name": "16.9.0", "category": "service_pack", "product": { "name": "16.9.0", "product_id": "CSAFPID-275038" } }, { "name": "16.9.1", "category": "service_pack", "product": { "name": "16.9.1", "product_id": "CSAFPID-275043" } }, { "name": "16.9.2", "category": "service_pack", "product": { "name": "16.9.2", "product_id": "CSAFPID-275044" } }, { "name": "16.9.3", "category": "service_pack", "product": { "name": "16.9.3", "product_id": "CSAFPID-275045" } }, { "name": "16.9.4", "category": "service_pack", "product": { "name": "16.9.4", "product_id": "CSAFPID-275046" } } ] }, { "name": "16.10", "category": "product_version", "branches": [ { "name": "16.10.0", "category": "service_pack", "product": { "name": "16.10.0", "product_id": "CSAFPID-275040" } }, { "name": "16.10.1", "category": "service_pack", "product": { "name": "16.10.1", "product_id": "CSAFPID-275047" } } ] } ] } ] } ] }, "vulnerabilities": [ { "cve": "CVE-2020-3216", "ids": [ { "system_name": "Cisco Bug ID", "text": "CSCvk38480" } ], "notes": [ { "category": "other", "title": "Affected Product Comprehensiveness", "text": "Complete." } ], "product_status": { "known_affected": [ "CSAFPID-275038", "CSAFPID-275040", "CSAFPID-275043", "CSAFPID-275044", "CSAFPID-275045", "CSAFPID-275046", "CSAFPID-275047" ] }, "release_date": "2020-06-03T16:00:00+00:00", "remediations": [ { "category": "vendor_fix", "details": "Cisco has released software updates that address this vulnerability.", "product_ids": [ "CSAFPID-275038", "CSAFPID-275040", "CSAFPID-275043", "CSAFPID-275044", "CSAFPID-275045", "CSAFPID-275046", "CSAFPID-275047" ], "url": "https://software.cisco.com" } ], "scores": [ { "cvss_v3": { "baseScore": 6.8, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0" }, "products": [ "CSAFPID-275038", "CSAFPID-275040", "CSAFPID-275043", "CSAFPID-275044", "CSAFPID-275045", "CSAFPID-275046", "CSAFPID-275047" ] } ], "title": "Cisco IOS XE SD-WAN Software Authentication Bypass Vulnerability" } ] }