Vulnerabilities > Cisco
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-09-23 | CVE-2021-34767 | Always-Incorrect Control Flow Implementation vulnerability in Cisco IOS XE A vulnerability in IPv6 traffic processing of Cisco IOS XE Wireless Controller Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, adjacent attacker to cause a Layer 2 (L2) loop in a configured VLAN, resulting in a denial of service (DoS) condition for that VLAN. | 7.4 |
| 2021-09-23 | CVE-2021-34768 | Double Free vulnerability in Cisco IOS XE Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. | 7.5 |
| 2021-09-23 | CVE-2021-34769 | Double Free vulnerability in Cisco IOS XE Multiple vulnerabilities in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. | 7.5 |
| 2021-09-23 | CVE-2021-34770 | Out-of-bounds Write vulnerability in Cisco IOS XE A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Software for Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to execute arbitrary code with administrative privileges or cause a denial of service (DoS) condition on an affected device. | 7.2 |
| 2021-09-09 | CVE-2021-34708 | Improper Verification of Cryptographic Signature vulnerability in Cisco IOS XR Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. | 6.7 |
| 2021-09-09 | CVE-2021-34709 | Improper Verification of Cryptographic Signature vulnerability in Cisco IOS XR Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. | 6.4 |
| 2021-09-09 | CVE-2021-34713 | Unspecified vulnerability in Cisco IOS XR A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. low complexity cisco | 7.4 |
| 2021-09-09 | CVE-2021-34718 | Argument Injection or Modification vulnerability in Cisco IOS XR A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite and read arbitrary files on the local device. | 8.1 |
| 2021-09-09 | CVE-2021-34719 | OS Command Injection vulnerability in Cisco IOS XR Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker with a low-privileged account to elevate privileges on an affected device. | 7.8 |
| 2021-09-09 | CVE-2021-34720 | Unspecified vulnerability in Cisco IOS XR A vulnerability in the IP Service Level Agreements (IP SLA) responder and Two-Way Active Measurement Protocol (TWAMP) features of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause device packet memory to become exhausted or cause the IP SLA process to crash, resulting in a denial of service (DoS) condition. | 8.6 |