Cisco Ios Xe Software vulnerabilities

CVE-2021-1434 [MEDIUM] CWE-552 CVE-2021-1434: A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attac A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific paramete

CVE-2024-20316 [MEDIUM] CWE-390 CVE-2024-20316: A vulnerability in the data model interface (DMI) services of Cisco IOS XE Software could allow an u A vulnerability in the data model interface (DMI) services of Cisco IOS XE Software could allow an unauthenticated, remote attacker to access resources that should have been protected by a configured IPv4 access control list (ACL). This vulnerability is due to improper handling of error conditions when a successfully authorized device administrator

CVE-2025-20240 [MEDIUM] CWE-692 CVE-2025-20240: A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenti A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to clic

CVE-2025-20196 [MEDIUM] CWE-307 CVE-2025-20196: A vulnerability in the Cisco IOx application hosting environment of Cisco IOS Software and Cisco IOS A vulnerability in the Cisco IOx application hosting environment of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the Cisco IOx application hosting environment to stop responding, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of HTTP reques

CVE-2018-15374 [MEDIUM] CWE-347 CVE-2018-15374: A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authentica A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker

CVE-2021-1371 [MEDIUM] CWE-269 CVE-2021-1371: A vulnerability in the role-based access control of Cisco IOS XE SD-WAN Software could allow an auth A vulnerability in the role-based access control of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker with read-only privileges to obtain administrative privileges by using the console port when the device is in the default SD-WAN configuration. This vulnerability occurs because the default configuration is applied for console

CVE-2024-20310 [MEDIUM] CWE-23 CVE-2024-20310: A vulnerability in the web-based interface of Cisco Unified Communications Manager IM & Presence Ser A vulnerability in the web-based interface of Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against an authenticated user of the interface. This vulnerability exists because the web-based management interface does not properly

CVE-2021-1381 [MEDIUM] CWE-489 CVE-2021-1381: A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with high priv A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with high privileges or an unauthenticated attacker with physical access to the device to open a debugging console. The vulnerability is due to insufficient command authorization restrictions. An attacker could exploit this vulnerability by running commands on the ha

CVE-2020-3503 [MEDIUM] CWE-284 CVE-2020-3503: A vulnerability in the file system permissions of Cisco IOS XE Software could allow an authenticated A vulnerability in the file system permissions of Cisco IOS XE Software could allow an authenticated, local attacker to obtain read and write access to critical configuration or system files. The vulnerability is due to insufficient file system permissions on an affected device. An attacker could exploit this vulnerability by connecting to an affected

CVE-2021-1394 [MEDIUM] CWE-399 CVE-2021-1394: A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergenc A vulnerability in the ingress traffic manager of Cisco IOS XE Software for Cisco Network Convergence System (NCS) 520 Routers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition in the web management interface of an affected device. This vulnerability is due to incorrect processing of certain IPv4 TCP traffic

CVE-2022-20684 [MEDIUM] CWE-190 CVE-2022-20684: A vulnerability in Simple Network Management Protocol (SNMP) trap generation for wireless clients of A vulnerability in Simple Network Management Protocol (SNMP) trap generation for wireless clients of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition on the device. This vulnerab

CVE-2023-20067 [MEDIUM] CWE-770 CVE-2023-20067: A vulnerability in the HTTP-based client profiling feature of Cisco IOS XE Software for Wireless LAN A vulnerability in the HTTP-based client profiling feature of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of received traffic. An attacker could exploit this vu

CVE-2025-20149 [MEDIUM] CWE-120 CVE-2025-20149: A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authentica A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to a buffer overflow. An attacker with a low-privileged account could exploit this vulnerability by usi

CVE-2024-20324 [MEDIUM] CWE-274 CVE-2024-20324: A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, low-privileged, lo A vulnerability in the CLI of Cisco IOS XE Software could allow an authenticated, low-privileged, local attacker to access WLAN configuration details including passwords. This vulnerability is due to improper privilege checks. An attacker could exploit this vulnerability by using the show and show tech wireless CLI commands to access configuration d

CVE-2020-3429 [MEDIUM] CWE-20 CVE-2020-3429: A vulnerability in the WPA2 and WPA3 security implementation of Cisco IOS XE Wireless Controller Sof A vulnerability in the WPA2 and WPA3 security implementation of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect packet processing during the WPA2 and WPA3 authentication h

CVE-2020-3486 [MEDIUM] CWE-20 CVE-2020-3486: Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of an affected device. These vulnerabilities are due to insufficient v

CVE-2020-3487 [MEDIUM] CWE-20 CVE-2020-3487: Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9800 Series Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition of an affected device. These vulnerabilities are due to insufficient v

CVE-2021-1352 [MEDIUM] CWE-823 CVE-2021-1352: A vulnerability in the DECnet Phase IV and DECnet/OSI protocol processing of Cisco IOS XE Software c A vulnerability in the DECnet Phase IV and DECnet/OSI protocol processing of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation of DECnet traffic that is received by an affected device. An attacker could ex

CVE-2023-20202 [MEDIUM] CWE-789 CVE-2023-20202: A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless LAN Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper memory management. An attacker could exploit this vulnerability by sending a series of network request

CVE-2026-20083 [MEDIUM] CWE-235 CVE-2026-20083: A vulnerability in the Secure Copy Protocol (SCP) server feature of Cisco IOS XE Software could allo A vulnerability in the Secure Copy Protocol (SCP) server feature of Cisco IOS XE Software could allow an authenticated, local attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of a malformed SCP request. An attacker could exploit this vulnerability by issui