CVE-2020-3396

The CVE-2020-3396 issue affects Cisco IOS XE Software IOx Guest Shell running on pluggable USB 3.0 SSDs. The root cause is that USB SSD control data is not stored on the device’s internal boot flash, enabling a physical attacker to remove the USB drive, alter or delete files, then reinsert it to ...

CVE-2020-3399 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability

A vulnerability 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, remote attacker to cause a denial of service DoS condition of an affected device. The...

CVE-2020-3399

CVE-2020-3399 describes a DoS in Cisco IOS XE CAPWAP processing for Catalyst 9800 wireless controllers due to insufficient input validation during CAPWAP packet handling, causing a buffer over-read that can crash and reload the device. The vulnerable component is CAPWAP packet processing in Cisco...

CVE-2020-3400 Cisco IOS XE Software Web UI Authorization Bypass Vulnerability

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to utilize parts of the web UI for which they are not authorized.The vulnerability is due to insufficient authorization of web UI access requests. An attacker could exploit this...

CVE-2020-3400 Cisco IOS XE Software Web UI Authorization Bypass Vulnerability

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to utilize parts of the web UI for which they are not authorized.The vulnerability is due to insufficient authorization of web UI access requests. An attacker could exploit this...

CVE-2020-3400

CVE-2020-3400 affects Cisco IOS XE Software (Web UI) where insufficient authorization of web UI access requests allows an authenticated, remote attacker to access parts of the Web UI that should be restricted. An attacker can send a crafted HTTP request to the Web UI and cause a Read-Only user to...

CVE-2020-3403

CVE-2020-3403 affects Cisco IOS XE Software CLI command injection vulnerability. An authenticated, privileged EXEC user can exploit insufficient protection of values passed to a startup script to write to a file, enabling execution of root commands on every reboot. Documents consistently describe...

CVE-2020-3404 Cisco IOS XE Software Consent Token Bypass Vulnerability

A vulnerability in the persistent Telnet/Secure Shell SSH CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell access on an affected device and execute commands on the underlying operating system OS with root privileges. The vulnerability is due to insufficient...

CVE-2020-3404 Cisco IOS XE Software Consent Token Bypass Vulnerability

A vulnerability in the persistent Telnet/Secure Shell SSH CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell access on an affected device and execute commands on the underlying operating system OS with root privileges. The vulnerability is due to insufficient...

CVE-2020-3404

Cisco IOS XE Software is affected by a consent token bypass in the persistent Telnet/SSH CLI, allowing an authenticated, local attacker to gain root shell access and execute OS commands. The root cause is insufficient enforcement of consent tokens when authorizing shell access. Affected details i...

CVE-2020-3407

CVE-2020-3407 affects Cisco IOS XE Software RESTCONF and NETCONF-YANG ACL handling. An unauthenticated, remote attacker can trigger the ACL processing issue to reload the device, causing a DoS. Cisco’s advisory confirms fixes via software updates; apply the recommended Cisco security advisories/u...

CVE-2020-3407 Cisco IOS XE Software RESTCONF and NETCONF-YANG Access Control List Denial of Service Vulnerability

A vulnerability in the RESTCONF and NETCONF-YANG access control list ACL function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of the ACL that is tied to the RESTCONF or NETCONF-YANG featur...

CVE-2020-3407 Cisco IOS XE Software RESTCONF and NETCONF-YANG Access Control List Denial of Service Vulnerability

A vulnerability in the RESTCONF and NETCONF-YANG access control list ACL function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of the ACL that is tied to the RESTCONF or NETCONF-YANG featur...

CVE-2020-3409 Cisco IOS and IOS XE Software PROFINET Denial of Service Vulnerability

A vulnerability in the PROFINET feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to crash and reload, resulting in a denial of service DoS condition on the device. The vulnerability is due to insufficient...

CVE-2020-3414 Cisco IOS XE Software for Cisco 4461 Integrated Services Routers Denial of Service Vulnerability

A vulnerability in the packet processing of Cisco IOS XE Software for Cisco 4461 Integrated Services Routers could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerability is due to incorrect processing of...

CVE-2020-3414

Cisco IOS XE on Cisco 4461 Integrated Services Routers is affected by a DoS vulnerability in the packet processing path. The root cause is incorrect processing of IPv4/IPv6 traffic, which allows an unauthenticated, remote attacker to cause the device to reload by sending IP traffic through or to ...

CVE-2020-3416

Cisco IOS XE Software for Cisco ASR 900 Series Route Switch Processor 3 (RSP3) consoles a set of boot-time vulnerabilities in the initialization routines. The issues stem from incorrect validations in boot scripts when specific ROMMON variables are defined, enabling an authenticated, local attack...

CVE-2020-3416 Cisco IOS XE Software for Cisco ASR 900 Series Route Switch Processor 3 Arbitrary Code Execution Vulnerabilities

Multiple vulnerabilities in the initialization routines that are executed during bootup of Cisco IOS XE Software for Cisco ASR 900 Series Aggregation Services Routers with a Route Switch Processor 3 RSP3 installed could allow an authenticated, local attacker with high privileges to execute...

CVE-2020-3417 Cisco IOS XE Software Arbitrary Code Execution Vulnerability

A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker to execute persistent code at boot time and break the chain of trust. This vulnerability is due to incorrect validations by boot scripts when specific ROM monitor ROMMON variables are set. An attacker could...

CVE-2020-3417

CVE-2020-3417 affects Cisco IOS XE Software. It enables an authenticated, local attacker to execute persistent code at boot time and break the chain of trust due to incorrect ROMMON-variable handling during boot script validation. Exploitation requires root shell access or physical access to the ...