Vulnerabilities > Cisco > IOS XE > 16.12.3a
| 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 |
| 2021-03-24 | CVE-2021-1381 | Leftover Debug Code vulnerability in Cisco IOS XE A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with high privileges or an unauthenticated attacker with physical access to the device to open a debugging console. | 6.1 |
| 2021-03-24 | CVE-2021-1376 | Improper Verification of Cryptographic Signature vulnerability in Cisco IOS XE Multiple vulnerabilities in the fast reload feature of Cisco IOS XE Software running on Cisco Catalyst 3850, Cisco Catalyst 9300, and Cisco Catalyst 9300L Series Switches could allow an authenticated, local attacker to either execute arbitrary code on the underlying operating system, install and boot a malicious software image, or execute unsigned binaries on an affected device. | 7.2 |
| 2021-03-24 | CVE-2021-1374 | Cross-site Scripting vulnerability in Cisco IOS XE A vulnerability in the web-based management interface of Cisco IOS XE Wireless Controller software for the Catalyst 9000 Family of switches could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against another user of the web-based management interface of an affected device. | 4.8 |
| 2021-03-24 | CVE-2021-1352 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Cisco IOS XE A vulnerability in the DECnet Phase IV and DECnet/OSI protocol processing of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. | 6.5 |
| 2021-03-24 | CVE-2021-1281 | Unspecified vulnerability in Cisco IOS XE A vulnerability in CLI management in Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system as the root user. | 6.7 |
| 2021-03-24 | CVE-2021-1220 | Unspecified vulnerability in Cisco IOS XE Multiple vulnerabilities in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to cause the web UI software to become unresponsive and consume vty line instances, resulting in a denial of service (DoS) condition. | 4.3 |
| 2021-03-24 | CVE-2021-1453 | Improper Verification of Cryptographic Signature vulnerability in Cisco IOS XE A vulnerability in the software image verification functionality of Cisco IOS XE Software for the Cisco Catalyst 9000 Family of switches could allow an unauthenticated, physical attacker to execute unsigned code at system boot time. | 6.8 |
| 2021-03-24 | CVE-2021-1446 | Improper Check for Unusual or Exceptional Conditions vulnerability in Cisco IOS XE A vulnerability in the DNS application layer gateway (ALG) functionality used by Network Address Translation (NAT) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. | 7.5 |
| 2021-03-24 | CVE-2021-1443 | OS Command Injection vulnerability in Cisco IOS XE A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to execute arbitrary code with root privileges on the underlying operating system of an affected device. | 7.2 |