CVE-2020-3209

Cisco IOS XE Software Digital Signature Verification Bypass (CVE-2020-3209) is triggered by an improper check during boot-time signature verification of system image files. The flaw resides in the area of code that verifies digital signatures, permitting an unauthenticated, physical attacker to l...

CVE-2020-3209 Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability

A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an improper check on the area of code that manag...

CVE-2020-3209 Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability

A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an improper check on the area of code that manag...

CVE-2020-3207 Cisco IOS XE Software Command Injection Vulnerability

A vulnerability in the processing of boot options of specific Cisco IOS XE Software switches could allow an authenticated, local attacker with root shell access to the underlying operating system OS to conduct a command injection attack during device boot. This vulnerability is due to insufficien...

CVE-2020-3207 Cisco IOS XE Software Command Injection Vulnerability

A vulnerability in the processing of boot options of specific Cisco IOS XE Software switches could allow an authenticated, local attacker with root shell access to the underlying operating system OS to conduct a command injection attack during device boot. This vulnerability is due to insufficien...

CVE-2020-3207

Summary (CVE-2020-3207) : Cisco IOS XE Software command injection vulnerability exposed by improper validation while processing boot options. An authenticated local attacker with root shell access can modify boot options to run attacker-provided code, potentially bypassing Secure Boot and gaining...

CVE-2020-3206

CVE-2020-3206 affects Cisco Catalyst 9800 Series Wireless Controllers running IOS XE. The issue is a failure to properly validate IEEE 802.11w Protected Management Frames (PMFs), allowing an unauthenticated, adjacent attacker to terminate a single valid user connection on an affected device. Mult...

CVE-2020-3204

CVE-2020-3204 affects Cisco IOS and IOS XE Tcl interpreter. The vulnerability arises from insufficient input validation of data passed to Tcl, allowing an authenticated, local attacker with privileged EXEC credentials to execute arbitrary code on the underlying OS with root privileges. Impact is ...

CVE-2020-3204 Cisco IOS and IOS XE Software Tcl Arbitrary Code Execution Vulnerability

A vulnerability in the Tool Command Language Tcl interpreter of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker with privileged EXEC credentials to execute arbitrary code on the underlying operating system OS with root privileges. The vulnerability is due...

CVE-2020-3203 Cisco IOS XE Software Catalyst 9800 Series Wireless Controllers Denial of Service Vulnerability

A vulnerability in the locally significant certificate LSC provisioning feature of Cisco Catalyst 9800 Series Wireless Controllers that are running Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak that could lead to a denial of service DoS condition. Th...

CVE-2020-3201 Cisco IOS and IOS XE Software Tcl Denial of Service Vulnerability

A vulnerability in the Tool Command Language Tcl interpreter of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker with privileged EXEC credentials to cause a denial of service DoS condition on an affected system. The vulnerability is due to insufficient inp...

CVE-2020-3201

CVE-2020-3201 describes a DoS in Cisco IOS and IOS XE caused by insufficient input validation in the Tcl interpreter. An authenticated, local attacker with privileged EXEC credentials can trigger crafted Tcl arguments to cause the device to reload. Relevant details come from Cisco advisories and ...

CVE-2020-3201 Cisco IOS and IOS XE Software Tcl Denial of Service Vulnerability

A vulnerability in the Tool Command Language Tcl interpreter of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker with privileged EXEC credentials to cause a denial of service DoS condition on an affected system. The vulnerability is due to insufficient inp...

Cisco IOS and IOS XE Software Common Industrial Protocol Denial of Service Vulnerabilities

Multiple vulnerabilities in the implementation of the Common Industrial Protocol CIP feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service DoS condition. The vulnerabilities a...

Cisco IOS XE Software Command Injection Vulnerability

A vulnerability in the processing of boot options of specific Cisco IOS XE Software switches could allow an authenticated, local attacker with root shell access to the underlying operating system OS to conduct a command injection attack during device boot. This vulnerability is due to insufficien...

Cisco IOx for IOS XE Software Privilege Escalation Vulnerability

A vulnerability in the authorization controls for the Cisco IOx application hosting infrastructure in Cisco IOS XE Software could allow an unauthenticated, remote attacker to execute Cisco IOx API commands without proper authorization. The vulnerability is due to incorrect handling of requests fo...

Cisco IOS XE Software Web UI Unauthenticated Proxy Service Vulnerability

A vulnerability in the web-based user interface web UI of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to bypass access control restrictions on an affected device. The vulnerability is due to the presence of a proxy service at a specific endpoint of the web UI. An...

Cisco IOS and IOS XE Software Secure Shell Denial of Service Vulnerability

A vulnerability in the Secure Shell SSH server code of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. The vulnerability is due to an internal state not being represented correctly in the SSH state machine, which...

Cisco IOS XE Software Web UI Arbitrary File Read Vulnerability

A vulnerability in the web-based user interface web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to read arbitrary files on the underlying filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacke...

Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability

A vulnerability in software image verification in Cisco IOS XE Software could allow an unauthenticated, physical attacker to install and boot a malicious software image or execute unsigned binaries on an affected device. The vulnerability is due to an improper check on the area of code that manag...