Cisco Cisco IOS XR Software

CVE-2022-20821 Medium 6.5 Exploited Cisco IOS XR Software Health Check Open Port Vulnerability 11.5%
CVE-2020-3569 High 8.6 Exploited Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities 3.3%
CVE-2020-3566 High 8.6 Exploited Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability 3.7%
CVE-2020-3118 High 8.8 Exploited Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability 11.7%
CVE-2026-76505 High 7.5 Cisco IOS XR Software for ASR 9000 Series Routers IPv4 Unicast Packets Denial of Service Vulnerability 0.5%
CVE-2026-20278 High 8.8 Cisco IOS XR Software Security Hardening Release: September 2026 0.5%
CVE-2026-20280 High 8.8 Cisco IOS XR Software Security Hardening Release: September 2026 0.5%
CVE-2026-20279 Critical 9.8 Cisco IOS XR Software Security Hardening Release: September 2026 0.5%
CVE-2026-20275 High 8.8 Cisco IOS XR Software Security Hardening Release: September 2026 0.3%
CVE-2026-20274 Critical 9.8 Cisco IOS XR Software Security Hardening Release: September 2026 0.5%
CVE-2026-20276 High 8.6 Cisco IOS XR Software Security Hardening Release: September 2026 0.5%
CVE-2026-20277 High 8.2 Cisco IOS XR Software Security Hardening Release: September 2026 0.4%
CVE-2026-20118 Medium 6.8 Cisco IOS-XR NCS 5500 and NCS 5700 Egress Packet Network Interfaces Aligner Interrupt Denial of Service Vulnerability 0.4%
CVE-2026-20046 High 8.8 Cisco IOS XR Software CLI Privilege Escalation Vulnerability 0.2%
CVE-2026-20074 High 7.4 Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability 0.2%
CVE-2026-20040 High 8.8 Cisco IOS XR Software CLI Privilege Escalation Vulnerability 0.2%
CVE-2025-20363 Critical 9.0 A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco IOS Software, Cisco IOS XE Software, 7.2%
CVE-2025-20340 High 7.4 Cisco IOS XR Address Resolution Protocol Broadcast Storm Vulnerability 0.6%
CVE-2025-20159 Medium 5.3 Cisco IOS XR Software Management Interface ACL Bypass Vulnerability 0.3%
CVE-2025-20248 Medium 6.0 Cisco IOS XR Software Image Verification Bypass Vulnerability <0.1%
CVE-2025-20154 High 8.6 Cisco IOS, IOS XE and IOS XR Software TWAMP Denial of Service Vulnerability 0.5%
CVE-2025-20209 High 7.5 Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability 0.5%
CVE-2025-20177 Medium 6.7 Cisco IOS XR Software Image Verification Bypass Vulnerability 0.2%
CVE-2025-20146 High 8.6 Cisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Service Vulnerability 0.5%
CVE-2025-20145 Medium 5.8 Cisco IOS XR Software Access Control List Bypass Vulnerability 0.4%
CVE-2025-20144 Medium 4.0 Cisco IOS XR Software Access Control List Bypass Vulnerability 0.3%
CVE-2025-20143 Medium 6.7 Cisco IOS XR Software Secure Boot Bypass Vulnerability 0.1%
CVE-2025-20142 High 8.6 Cisco IOS XR Software for ASR 9000 Series Routers L2VPN Denial of Service Vulnerability 0.5%
CVE-2025-20141 High 7.4 Cisco IOS XR Software Release 7.9.2 Denial of Service Vulnerabillity 0.2%
CVE-2025-20138 High 8.8 Cisco IOS XR Software CLI Privilege Escalation Vulnerability 0.2%
CVE-2025-20115 High 8.6 Cisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability 0.9%
CVE-2025-20172 High 7.7 A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote attacker to cause a DoS condition on an affected devi 0.8%
CVE-2021-1440 Medium 6.8 Cisco IOS XR Software BGP Resource Public Key Infrastructure Denial of Service Vulnerability 0.8%
CVE-2022-20655 High 8.8 A vulnerability in the implementation of the CLI on a device that is running ConfD could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to ins 0.8%
CVE-2022-20846 Medium 4.3 Cisco IOS XR Software Cisco Discovery Protocol Buffer Overflow Vulnerability 1.0%
CVE-2022-20845 Medium 6.0 Cisco Network Convergence System 4000 Series TL1 Denial of Service Vulnerability 0.2%
CVE-2022-20849 Medium 6.1 Cisco IOS XR Software Broadband Network Gateway PPPoE Denial of Service Vulnerability 0.3%
CVE-2024-20304 High 8.6 Cisco IOS XR Software Packet Memory Exhaustion Vulnerability 0.6%
CVE-2024-20489 High 8.4 Cisco Routed Passive Optical Network Cleartext Password Vulnerability 0.1%
CVE-2024-20483 High 7.2 Cisco IOS XR PON Controller Command Injection Vulnerabilities 1.1%
CVE-2024-20406 High 7.4 Cisco IOS XR Software Intermediate System-to-Intermediate System Denial of Service Vulnerability 0.2%
CVE-2024-20381 High 8.8 Cisco Network Services Orchestrator Configuration Update Authorization Bypass Vulnerability 0.6%
CVE-2024-20317 High 7.4 Cisco IOS XR Software Layer 2 Services Denial of Service Vulnerability 0.2%
CVE-2024-20398 High 8.8 Cisco IOS XR Software Local Privilege Escalation Vulnerability 0.2%
CVE-2024-20390 Medium 5.3 Cisco IOS XR Software Dedicated XML Agent TCP Denial of Service Vulnerability 0.4%
CVE-2024-20343 Medium 5.5 Cisco IOS XR Software CLI Arbitrary File Read Vulnerability 0.1%
CVE-2024-20456 Medium 6.7 A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Cisco Secure Boot functionality and load unverified softwar 0.2%
CVE-2024-20319 Medium 4.3 A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Ne 0.2%
CVE-2024-20262 Medium 6.5 A vulnerability in the Secure Copy Protocol (SCP) and SFTP feature of Cisco IOS XR Software could allow an authenticated, local attacker to create or overwrite files in a system directory, which could 0.1%
CVE-2024-20318 High 7.4 A vulnerability in the Layer 2 Ethernet services of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the line card network processor to reset, resulting in a denial of 0.3%