Vulnerabilities > Cisco > IOS > 12.2.55.se1

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.
network
low complexity
cisco CWE-665
6.5
2020-06-03 CVE-2020-3204 Improper Input Validation vulnerability in Cisco IOS
A vulnerability in the Tool Command Language (Tcl) interpreter of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker with privileged EXEC credentials to execute arbitrary code on the underlying operating system (OS) with root privileges.
local
low complexity
cisco CWE-20
7.2
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.
network
cisco CWE-772
4.3
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.
network
low complexity
cisco CWE-120
7.8
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.
local
low complexity
cisco CWE-667
6.7
2019-03-28 CVE-2019-1761 Improper Initialization vulnerability in Cisco IOS XE
A vulnerability in the Hot Standby Router Protocol (HSRP) subsystem of Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to receive potentially sensitive information from an affected device.
low complexity
cisco CWE-665
3.3
2019-03-28 CVE-2019-1746 Improper Input Validation vulnerability in Cisco IOS
A vulnerability in the Cluster Management Protocol (CMP) processing code in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device.
low complexity
cisco CWE-20
6.1
2018-10-05 CVE-2018-0197 Improper Input Validation vulnerability in Cisco IOS XE
A vulnerability in the VLAN Trunking Protocol (VTP) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to corrupt the internal VTP database on an affected device and cause a denial of service (DoS) condition.
low complexity
cisco CWE-20
3.3
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.
local
low complexity
cisco CWE-200
2.1
2017-09-29 CVE-2017-12240 Improper Input Validation vulnerability in Cisco IOS
The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system.
network
low complexity
cisco CWE-20
critical
10.0