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-2020-3418 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family Improper Access Control Vulnerability

A vulnerability in Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9800 Series Routers could allow an unauthenticated, adjacent attacker to send ICMPv6 traffic prior to the client being placed into RUN state. The vulnerability is due to an incomplete access control list ACL being...

CVE-2020-3418 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family Improper Access Control Vulnerability

A vulnerability in Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9800 Series Routers could allow an unauthenticated, adjacent attacker to send ICMPv6 traffic prior to the client being placed into RUN state. The vulnerability is due to an incomplete access control list ACL being...

CVE-2020-3418

CVE-2020-3418 affects Cisco IOS XE Wireless Controller Software for the Catalyst 9000 family (Catalyst 9800 series). Root cause: incomplete access control list (ACL) applied before RUN state, allowing an unauthenticated adjacent attacker to send ICMPv6 traffic by connecting to the SSID. Impact de...

CVE-2020-3421 Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

CVE-2020-3421

The CVE-2020-3421 entry concerns Cisco IOS XE Software Zone-Based Firewall vulnerabilities. Affected component: Zone-Based Firewall handling of Layer 4 traffic on Cisco IOS XE. Root cause: incomplete handling of Layer 4 packets through the device, enabling an unauthenticated, remote attacker to c...

CVE-2020-3421 Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities

Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the...

CVE-2020-3422

CVE-2020-3422 describes a DoS vulnerability in Cisco IOS XE IP Service Level Agreements (SLA) responder. An unauthenticated, remote attacker can cause the SLA responder to reuse an existing port, consuming a port that could be used by another feature and leading to DoS on the affected device. Roo...

CVE-2020-3422 Cisco IOS XE Software IP Service Level Agreements Denial of Service Vulnerability

A vulnerability in the IP Service Level Agreement SLA responder feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the IP SLA responder to reuse an existing port, resulting in a denial of service DoS condition. The vulnerability exists because the IP SLA...

CVE-2020-3422 Cisco IOS XE Software IP Service Level Agreements Denial of Service Vulnerability

A vulnerability in the IP Service Level Agreement SLA responder feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the IP SLA responder to reuse an existing port, resulting in a denial of service DoS condition. The vulnerability exists because the IP SLA...

CVE-2020-3423 Cisco IOS XE Software Arbitrary Code Execution Vulnerability

A vulnerability in the implementation of the Lua interpreter that is integrated in Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary code with root privileges on the underlying Linux operating system OS of an affected device. The vulnerability is due to...

CVE-2020-3423 Cisco IOS XE Software Arbitrary Code Execution Vulnerability

A vulnerability in the implementation of the Lua interpreter that is integrated in Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary code with root privileges on the underlying Linux operating system OS of an affected device. The vulnerability is due to...

CVE-2020-3423

CVE-2020-3423 concerns Cisco IOS XE Software, where the Lua interpreter implementation allows an authenticated, local attacker to execute arbitrary code with root privileges on the device’s Linux OS. The root cause is insufficient restrictions on Lua function calls within user-supplied scripts, e...

CVE-2020-3425

Cisco IOS XE Software Web UI Privilege Escalation vulnerabilities (CVE-2020-3425) affect the web management framework. An authenticated, remote attacker with read-only privileges could elevate to Administrator on an affected device. The underlying issue is in the web UI handling/input validation,...

CVE-2020-3425 Cisco IOS XE Software Privilege Escalation Vulnerabilities

Multiple vulnerabilities in the web management framework of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to elevate privileges to the level of an Administrator user on an affected device. For more information about these vulnerabilities, see the...

CVE-2020-3425 Cisco IOS XE Software Privilege Escalation Vulnerabilities

Multiple vulnerabilities in the web management framework of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to elevate privileges to the level of an Administrator user on an affected device. For more information about these vulnerabilities, see the...

CVE-2020-3428 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family WLAN Local Profiling Denial of Service Vulnerability

A vulnerability in the WLAN Local Profiling feature of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to incorrect parsing of...

CVE-2020-3428

The CVE-2020-3428 issue affects Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family, specifically the WLAN Local Profiling feature. The root cause is incorrect parsing of HTTP packets during HTTP-based endpoint device classifications, which can be exploited by an unauthenticate...

CVE-2020-3429 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family WPA Denial of Service Vulnerability

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 pack...

CVE-2020-3429 Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family WPA Denial of Service Vulnerability

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 pack...