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A vulnerability in the Authentication, Authorization, and Accounting (AAA) feature of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to bypass command authorization and copy files to or from the file system of an affected device using the Secure Copy Protocol (SCP). This vulnerability is due to incorrect processing of SCP commands in AAA command authorization checks. An attacker with valid credentials and level 15 privileges could exploit this vulnerability by using SCP to connect to an affected device from an external machine. A successful exploit could allow the attacker to obtain or change the configuration of the affected device and put files on or retrieve files from the affected device. Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aaascp-Tyj4fEJm The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.
For information on fixed versions of software consult the Cisco IOS Software checker: https:/sec.cloudapps.cisco.com/security/center/softwarechecker.x See Vulnerable Products Section of the advisory for full details: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aaascp-Tyj4fEJm#vp
Workarounds Exist - For details see the Workarounds section of the public security advisory: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aaascp-Tyj4fEJm#workarounds
Please refer to the Security Advisory.
The Cisco PSIRT has assigned this bug the following CVSS version 3 score. The Base CVSS score as of the time of evaluation is 8: https://sec.cloudapps.cisco.com/security/center/cvssCalculator.x?version=3.0&vector=CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE ID CVE-2023-20186 has been assigned to document this issue. Additional information on Cisco's security vulnerability policy can be found at the following URL: https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html