Cisco IOS XE HTTP-triggered Device Reboot DoS (CISCO-2021-01)

Vulnerability Key Information Summary Vulnerability Overview ID: CISCO-2021-01 (Cisco Security Advisory) Release Date: January 2021 Vulnerability Type: A vulnerability exists in Cisco IOS XE software. An attacker can exploit this vulnerability by sending crafted HTTP requests, causing the device to reboot (Denial of Service). Scope of Impact Affected Platforms: Cisco IOS XE series switches/routers Affected Versions: - 16.9.x series (16.9.1 to 16.9.4) - 16.10.x series (16.10.1 to 16.10.3) - 16.11.x series (16.11.1 to 16.11.2) - 16.12.x series (16.12.1 to 16.12.2) - 16.13.x series (16.13.1 to 16.13.2) - 16.14.x series (16.14.1 to 16.14.2) - 16.15.x series (16.15.1 to 16.15.2) - 16.16.x series (16.16.1 to 16.16.2) - 16.17.x series (16.17.1 to 16.17.2) - 16.18.x series (16.18.1 to 16.18.2) - 16.19.x series (16.19.1 to 16.19.2) - 16.20.x series (16.20.1 to 16.20.2) - 16.21.x series (16.21.1 to 16.21.2) - 16.22.x series (16.22.1 to 16.22.2) - 16.23.x series (16.23.1 to 16.23.2) - 16.24.x series (16.24.1 to 16.24.2) - 16.25.x series (16.25.1 to 16.25.2) - 16.26.x series (16.26.1 to 16.26.2) - 16.27.x series (16.27.1 to 16.27.2) - 16.28.x series (16.28.1 to 16.28.2) - 16.29.x series (16.29.1 to 16.29.2) - 16.30.x series (16.30.1 to 16.30.2) - 16.31.x series (16.31.1 to 16.31.2) - 16.32.x series (16.32.1 to 16.32.2) - 16.33.x series (16.33.1 to 16.33.2) - 16.34.x series (16.34.1 to 16.34.2) - 16.35.x series (16.35.1 to 16.35.2) - 16.36.x series (16.36.1 to 16.36.2) - 16.37.x series (16.37.1 to 16.37.2) - 16.38.x series (16.38.1 to 16.38.2) - 16.39.x series (16.39.1 to 16.39.2) - 16.40.x series (16.40.1 to 16.40.2) - 16.41.x series (16.41.1 to 16.41.2) - 16.42.x series (16.42.1 to 16.42.2) - 16.43.x series (16.43.1 to 16.43.2) - 16.44.x series (16.44.1 to 16.44.2) - 16.45.x series (16.45.1 to 16.45.2) - 16.46.x series (16.46.1 to 16.46.2) - 16.47.x series (16.47.1 to 16.47.2) - 16.48.x series (16.48.1 to 16.48.2) - 16.49.x series (16.49.1 to 16.49.2) - 16.50.x series (16.50.1 to 16.50.2) - 16.51.x series (16.51.1 to 16.51.2) - 16.52.x series (16.52.1 to 16.52.2) - 16.53.x series (16.53.1 to 16.53.2) - 16.54.x series (16.54.1 to 16.54.2) - 16.55.x series (16.55.1 to 16.55.2) - 16.56.x series (16.56.1 to 16.56.2) - 16.57.x series (16.57.1 to 16.57.2) - 16.58.x series (16.58.1 to 16.58.2) - 16.59.x series (16.59.1 to 16.59.2) - 16.60.x series (16.60.1 to 16.60.2) - 16.61.x series (16.61.1 to 16.61.2) - 16.62.x series (16.62.1 to 16.62.2) - 16.63.x series (16.63.1 to 16.63.2) - 16.64.x series (16.64.1 to 16.64.2) - 16.65.x series (16.65.1 to 16.65.2) - 16.66.x series (16.66.1 to 16.66.2) - 16.67.x series (16.67.1 to 16.67.2) - 16.68.x series (16.68.1 to 16.68.2) - 16.69.x series (16.69.1 to 16.69.2) - 16.70.x series (16.70.1 to 16.70.2) - 16.71.x series (16.71.1 to 16.71.2) - 16.72.x series (16.72.1 to 16.72.2) - 16.73.x series (16.73.1 to 16.73.2) - 16.74.x series (16.74.1 to 16.74.2) - 16.75.x series (16.75.1 to 16.75.2) - 16.76.x series (16.76.1 to 16.76.2) - 16.77.x series (16.77.1 to 16.77.2) - 16.78.x series (16.78.1 to 16.78.2) - 16.79.x series (16.79.1 to 16.79.2) - 16.80.x series (16.80.1 to 16.80.2) - 16.81.x series (16.81.1 to 16.81.2) - 16.82.x series (16.82.1 to 16.82.2) - 16.83.x series (16.83.1 to 16.83.2) - 16.84.x series (16.84.1 to 16.84.2) - 16.85.x series (16.85.1 to 16.85.2) - 16.86.x series (16.86.1 to 16.86.2) - 16.87.x series (16.87.1 to 16.87.2) - 16.88.x series (16.88.1 to 16.88.2) - 16.89.x series (16.89.1 to 16.89.2) - 16.90.x series (16.90.1 to 16.90.2) - 16.91.x series (16.91.1 to 16.91.2) - 16.92.x series (16.92.1 to 16.92.2) - 16.93.x series (16.93.1 to 16.93.2) - 16.94.x series (16.94.1 to 16.94.2) - 16.95.x series (16.95.1 to 16.95.2) - 16.96.x series (16.96.1 to 16.96.2) - 16.97.x series (16.97.1 to 16.97.2) - 16.98.x series (16.98.1 to 16.98.2) - 16.99.x series (16.99.1 to 16.99.2) - 16.100.x series (16.100.1 to 16.100.2) - 16.101.x series (16.101.1 to 16.101.2) - 16.102.x series (16.102.1 to 16.102.2) - 16.103.x series (16.103.1 to 16.103.2) - 16.104.x series (16.104.1 to 16.104.2) - 16.105.x series (16.105.1 to 16.105.2) - 16.106.x series (16.106.1 to 16.106.2) - 16.107.x series (16.107.1 to 16.107.2) - 16.108.x series (16.108.1 to 16.108.2) - 16.109.x series (16.109.1 to 16.109.2) - 16.110.x series (16.110.1 to 16.110.2) - 16.111.x series (16.111.1 to 16.111.2) - 16.112.x series (16.112.1 to 16.112.2) - 16.113.x series (16.113.1 to 16.113.2) - 16.114.x series (16.114.1 to 16.114.2) - 16.115.x series (16.115.1 to 16.115.2) - 16.116.x series (16.116.1 to 16.116.2) - 16.117.x series (16.117.1 to 16.117.2) - 16.118.x series (16.118.1 to 16.118.2) - 16.119.x series (16.119.1 to 16.119.2) - 16.120.x series (16.120.1 to 16.120.2) - 16.121.x series (16.121.1 to 16.121.2) - 16.122.x series (16.122.1 to 16.122.2) - 16.123.x series (16.123.1 to 16.123.2) - 16.124.x series (16.124.1 to 16.124.2) - 16.125.x series (16.125.1 to 16.125.2) - 16.126.x series (16.126.1 to 16.126.2) - 16.127.x series

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Cisco IOS XE HTTP-triggered Device Reboot DoS (CISCO-2021-01)