Vulnerabilities > Cisco > IOS > 12.1.1.xa2
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-09-23 | CVE-2021-34703 | Improper Initialization vulnerability in Cisco IOS A vulnerability in the Link Layer Discovery Protocol (LLDP) message parser of Cisco IOS Software and Cisco IOS XE Software could allow an attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. | 6.5 |
| 2020-09-23 | CVE-2019-16009 | Cross-Site Request Forgery (CSRF) vulnerability in Cisco IOS A vulnerability in the web UI of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. | 8.8 |
| 2020-02-12 | CVE-2011-4661 | Missing Release of Resource after Effective Lifetime vulnerability in Cisco IOS A memory leak vulnerability exists in Cisco IOS before 15.2(1)T due to a memory leak in the HTTP PROXY Server process (aka CSCtu52820), when configured with Cisco ISR Web Security with Cisco ScanSafe and User Authenticaiton NTLM configured. | 7.5 |
| 2019-09-25 | CVE-2019-12655 | Classic Buffer Overflow vulnerability in Cisco IOS A vulnerability in the FTP application layer gateway (ALG) functionality used by Network Address Translation (NAT), NAT IPv6 to IPv4 (NAT64), and the Zone-Based Policy Firewall (ZBFW) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. | 7.5 |
| 2019-05-13 | CVE-2019-1649 | Improper Locking vulnerability in Cisco products A vulnerability in the logic that handles access control to one of the hardware components in Cisco's proprietary Secure Boot implementation could allow an authenticated, local attacker to write a modified firmware image to the component. | 6.7 |
| 2018-03-28 | CVE-2018-0175 | Use of Externally-Controlled Format String vulnerability in Cisco Ios, IOS XE and IOS XR Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. | 8.0 |
| 2018-03-28 | CVE-2018-0174 | Improper Input Validation vulnerability in Cisco IOS and IOS XE A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. | 8.6 |
| 2018-03-28 | CVE-2018-0173 | Improper Input Validation vulnerability in Cisco IOS and IOS XE A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a Relay Reply denial of service (DoS) condition. | 8.6 |
| 2018-03-28 | CVE-2018-0167 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Cisco Ios, IOS XE and IOS XR Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. | 8.8 |
| 2017-10-19 | CVE-2017-12289 | Information Exposure vulnerability in Cisco IOS A vulnerability in conditional, verbose debug logging for the IPsec feature of Cisco IOS XE Software could allow an authenticated, local attacker to display sensitive IPsec information in the system log file. | 4.4 |