Vulnerabilities > Cisco > High

DATE CVE VULNERABILITY TITLE RISK
2021-09-23 CVE-2021-1615 Unspecified vulnerability in Cisco Embedded Wireless Controller
A vulnerability in the packet processing functionality of Cisco Embedded Wireless Controller (EWC) Software for Catalyst Access Points (APs) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected AP.
network
low complexity
cisco
8.6
2021-09-23 CVE-2021-1620 Missing Release of Resource after Effective Lifetime vulnerability in Cisco IOS
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) support for the AutoReconnect feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to exhaust the free IP addresses from the assigned local pool.
network
low complexity
cisco CWE-772
7.7
2021-09-23 CVE-2021-1621 Unspecified vulnerability in Cisco IOS XE
A vulnerability in the Layer 2 punt code of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a queue wedge on an interface that receives specific Layer 2 frames, resulting in a denial of service (DoS) condition.
low complexity
cisco
7.4
2021-09-23 CVE-2021-1622 Improper Locking vulnerability in Cisco IOS XE
A vulnerability in the Common Open Policy Service (COPS) of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause resource exhaustion, resulting in a denial of service (DoS) condition.
network
low complexity
cisco CWE-667
8.6
2021-09-23 CVE-2021-1623 Unspecified vulnerability in Cisco IOS XE
A vulnerability in the Simple Network Management Protocol (SNMP) punt handling function of Cisco cBR-8 Converged Broadband Routers could allow an authenticated, remote attacker to overload a device punt path, resulting in a denial of service (DoS) condition.
network
low complexity
cisco
7.7
2021-09-23 CVE-2021-1624 Unspecified vulnerability in Cisco IOS XE
A vulnerability in the Rate Limiting Network Address Translation (NAT) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause high CPU utilization in the Cisco QuantumFlow Processor of an affected device, resulting in a denial of service (DoS) condition.
network
low complexity
cisco
8.6
2021-09-23 CVE-2021-34697 Improper Initialization vulnerability in Cisco IOS XE
A vulnerability in the Protection Against Distributed Denial of Service Attacks feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct denial of service (DoS) attacks to or through the affected device.
network
low complexity
cisco CWE-665
8.6
2021-09-23 CVE-2021-34699 Interpretation Conflict vulnerability in Cisco IOS and IOS XE
A vulnerability in the TrustSec CLI parser of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload.
network
low complexity
cisco CWE-436
7.7
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
2021-09-23 CVE-2021-34740 Memory Leak vulnerability in Cisco Aironet Access Point Software 17.2/17.3
A vulnerability in the WLAN Control Protocol (WCP) implementation for Cisco Aironet Access Point (AP) software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition.
low complexity
cisco CWE-401
7.4