Vulnerabilities > Cisco > IOS XE > 17.2.3
| 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 |
| 2021-04-29 | CVE-2021-1495 | Improper Handling of Exceptional Conditions vulnerability in multiple products Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured file policy for HTTP. | 5.3 |
| 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-2021-1373 | Buffer Over-read vulnerability in Cisco IOS XE A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family Wireless Controllers could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition of an affected device. | 8.6 |
| 2021-03-24 | CVE-2021-1356 | Improper Handling of Exceptional Conditions 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-2021-1352 | 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-2021-1453 | 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-2021-1441 | OS Command Injection vulnerability in Cisco IOS XE A vulnerability in the hardware initialization routines of Cisco IOS XE Software for Cisco 1100 Series Industrial Integrated Services Routers and Cisco ESR6300 Embedded Series Routers could allow an authenticated, local attacker to execute unsigned code at system boot time. | 6.7 |
| 2021-03-24 | CVE-2021-1431 | Improper Input Validation vulnerability in Cisco IOS XE A vulnerability in the vDaemon process of Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting a denial of service (DoS) condition. | 7.5 |