Vulnerabilities > Cisco > IOS > 3.6.4e

DATE CVE VULNERABILITY TITLE RISK
2022-10-10 CVE-2022-20920 Improper Handling of Exceptional Conditions vulnerability in Cisco IOS
A vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload.
network
low complexity
cisco CWE-755
7.7
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
2021-09-23 CVE-2021-34714 Improper Input Validation vulnerability in Cisco products
A vulnerability in the Unidirectional Link Detection (UDLD) feature of Cisco FXOS Software, Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload.
low complexity
cisco CWE-20
7.4
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
2019-05-13 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
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
2017-09-25 CVE-2010-3050 Improper Input Validation vulnerability in Cisco IOS
Cisco IOS before 12.2(33)SXI allows remote authenticated users to cause a denial of service (device reboot).
network
low complexity
cisco CWE-20
6.8
2017-09-25 CVE-2010-3049 Improper Input Validation vulnerability in Cisco IOS
Cisco IOS before 12.2(33)SXI allows local users to cause a denial of service (device reboot).
local
low complexity
cisco CWE-20
4.9
2017-08-02 CVE-2012-5030 Resource Management Errors vulnerability in Cisco IOS
Cisco IOS before 15.2(4)S6 does not initialize an unspecified variable, which might allow remote authenticated users to cause a denial of service (CPU consumption, watchdog timeout, crash) by walking specific SNMP objects.
network
low complexity
cisco CWE-399
6.8
2016-09-22 CVE-2014-2146 Improper Input Validation vulnerability in Cisco IOS XE
The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847.
network
cisco CWE-20
4.3