📦 Ios Xe Sd Wan

by Cisco

🔍 What is Ios Xe Sd Wan?

Description coming soon...

🛡️ Security Overview

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⚠️ Known Vulnerabilities

CVE-2021-34727

CRITICAL CVSS 9.8 Sep 23, 2021

This vulnerability allows unauthenticated remote attackers to trigger a buffer overflow in Cisco IOS XE SD-WAN Software by sending crafted traffic. Successful exploitation could lead to arbitrary comm...

CVE-2021-1619

CRITICAL CVSS 9.8 Sep 23, 2021

An uninitialized variable in Cisco IOS XE Software's AAA function allows unauthenticated remote attackers to bypass NETCONF/RESTCONF authentication. This enables attackers to manipulate device configu...

CVE-2021-1300

CRITICAL CVSS 9.8 Jan 20, 2021

CVE-2021-1300 is a critical buffer overflow vulnerability in Cisco SD-WAN products that allows unauthenticated remote attackers to execute arbitrary code or cause denial of service. Affected systems i...

CVE-2024-20455

HIGH CVSS 8.6 Sep 25, 2024

This vulnerability allows unauthenticated remote attackers to cause a denial of service (DoS) by sending crafted traffic through SD-WAN IPsec tunnels on affected Cisco IOS XE devices. The vulnerabilit...

CVE-2023-20035

HIGH CVSS 7.8 Mar 23, 2023

This vulnerability allows authenticated local attackers on Cisco IOS XE SD-WAN devices to execute arbitrary commands with root privileges due to insufficient CLI input validation. Attackers with any l...

CVE-2021-1432

HIGH CVSS 7.3 Mar 24, 2021

This vulnerability allows authenticated low-privileged users on Cisco IOS XE SD-WAN devices to execute arbitrary commands as root through command injection in the CLI. Attackers can escalate privilege...

CVE-2025-20151

MEDIUM CVSS 4.3 May 7, 2025

This vulnerability allows authenticated SNMPv3 users to poll Cisco IOS/IOS XE devices even when their access should be denied by configuration. The flaw occurs because SNMPv3 configuration persists in...