Cisco IOS XR Software NETCONF Over Secure Shell ACL Bypass (cisco-sa-20191120-iosxr-ssh-bypass)

According to its self-reported version, Cisco IOS XR Software is affected by a vulnerability in the access-control logic of the NETCONF over Secure Shell SSH due to a missing check in the NETCONF over SSH access control list ACL. An unauthenticated, remote attacker can exploit this, by by...

Cisco IOS XR Software Cisco Discovery Protocol Denial of Service Vulnerability (cisco-sa-20200205-fxnxos-iosxr-cdp-dos)

According to its self-reported version, the Cisco IOS XR Software is affected by a denial of service vulnerability within the Cisco Discovery Protocol due to missing a check when processing protocol messages. An unauthenticated, adjacent attacker can exploit this to cause the device to reboot...

Cisco IOS XR Software Cisco Discovery Protocol Remote Code Execution Vulnerability (cisco-sa-20200205-iosxr-cdp-rce)

According to its self-reported version, the Cisco IOS XR Software is affected by a remote code execution vulnerability within the Cisco Discovery Protocol due to improper validation of string input. An unauthenticated, adjacent attacker can exploit this to bypass authentication and execute...

Cisco Releases Security Updates for Multiple Products

Cisco has released security updates to address vulnerabilities in multiple products. A remote attacker could exploit these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories webpage. The Cybersecurity and...

CVE-2020-3118

A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisc...

Design/Logic Flaw

A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisc...

CVE-2020-3120 Cisco FXOS, IOS XR, and NX-OS Software Cisco Discovery Protocol Denial of Service Vulnerability

A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is d...

CVE-2020-3118 Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability

A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisc...

CVE-2020-3118

CVE-2020-3118 is a Cisco CDP format-string vulnerability in Cisco IOS XR CDP handling. The issue arises from improper validation of string input in CDP messages, enabling an unauthenticated, adjacent attacker to potentially execute arbitrary code with administrative privileges or cause a reload v...

CVE-2020-3118 Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability

A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisc...

CVE-2020-3118 (AKA: CDPwn)

A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisc...

CVE-2020-3120 (AKA: CDPwn)

A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is d...

Cisco IOS XR Software netconf DoS (cisco-sa-20180502-iosxr)

According to its self-reported version, Cisco IOS XR Software is affected by a denial of service DoS vulnerability in the netconf interface due to improper handling of malformed requests. An unauthenticated, remote attacker can exploit this, by sending malicious requests to the affected software,...

CVE-2019-16020

Multiple vulnerabilities in the implementation of Border Gateway Protocol BGP Ethernet VPN EVPN functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerabilities are due to incorrect processing of BGP update...

CVE-2019-16022

Multiple vulnerabilities in the implementation of Border Gateway Protocol BGP Ethernet VPN EVPN functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerabilities are due to incorrect processing of BGP update...

CVE-2019-16018

Cisco IOS XR Software EVPN BGP operational routes vulnerability (CVE-2019-16018) allows unauthenticated remote DoS through crafted BGP EVPN update messages that trigger BGP process restart. Affected component: BGP EVPN handling in IOS XR; impact is DoS (availability) with no confidentiality/integ...

CVE-2019-15998

A vulnerability in the access-control logic of the NETCONF over Secure Shell SSH of Cisco IOS XR Software may allow connections despite an access control list ACL that is configured to deny access to the NETCONF over SSH of an affected device. The vulnerability is due to a missing check in the...

CVE-2019-15998 Cisco IOS XR Software NETCONF Over Secure Shell ACL Bypass Vulnerability

A vulnerability in the access-control logic of the NETCONF over Secure Shell SSH of Cisco IOS XR Software may allow connections despite an access control list ACL that is configured to deny access to the NETCONF over SSH of an affected device. The vulnerability is due to a missing check in the...

CVE-2019-15998

Cisco IOS XR Software NETCONF over SSH ACL bypass (CVE-2019-15998) arises from a missing check in the NETCONF over SSH ACL. Affected versions include Cisco IOS XR 6.5.1 and 6.5.2. The vulnerability could allow an attacker with valid credentials to connect to the NETCONF port despite an ACL that d...

Cisco IOS XR Software CVE-2019-15998 Security Bypass Vulnerability

Description Cisco IOS XR Software is prone to a security-bypass vulnerability. An attacker can exploit this issue to bypass the access control list and perform unauthorized actions. This issue is being tracked by Cisco Bug ID CSCvp91299. Technologies Affected Cisco IOS XR Software 6.5.1 Cisco IOS...