Vulnerabilities > Cisco > IOS XE > 16.3.5

DATE CVE VULNERABILITY TITLE RISK
2023-10-10 CVE-2023-44487 Resource Exhaustion vulnerability in multiple products
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
7.5
2023-10-04 CVE-2023-20235 Improper Privilege Management vulnerability in Cisco IOS XE
A vulnerability in the on-device application development workflow feature for the Cisco IOx application hosting infrastructure in Cisco IOS XE Software could allow an authenticated, remote attacker to access the underlying operating system as the root user. This vulnerability exists because Docker containers with the privileged runtime option are not blocked when they are in application development mode.
network
low complexity
cisco CWE-269
8.8
2023-09-27 CVE-2023-20033 Unspecified vulnerability in Cisco IOS XE
A vulnerability in Cisco IOS XE Software for Cisco Catalyst 3650 and Catalyst 3850 Series Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper resource management when processing traffic that is received on the management interface.
network
low complexity
cisco
8.6
2023-09-27 CVE-2023-20109 Out-of-bounds Write vulnerability in Cisco IOS
A vulnerability in the Cisco Group Encrypted Transport VPN (GET VPN) feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker who has administrative control of either a group member or a key server to execute arbitrary code on an affected device or cause the device to crash. This vulnerability is due to insufficient validation of attributes in the Group Domain of Interpretation (GDOI) and G-IKEv2 protocols of the GET VPN feature.
network
high complexity
cisco CWE-787
6.6
2023-09-27 CVE-2023-20186 Unspecified vulnerability in Cisco IOS
A vulnerability in the Authentication, Authorization, and Accounting (AAA) feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to bypass command authorization and copy files to or from the file system of an affected device using the Secure Copy Protocol (SCP). This vulnerability is due to incorrect processing of SCP commands in AAA command authorization checks.
network
low complexity
cisco
critical
9.1
2023-09-27 CVE-2023-20187 Unspecified vulnerability in Cisco IOS XE
A vulnerability in the Multicast Leaf Recycle Elimination (mLRE) feature of Cisco IOS XE Software for Cisco ASR 1000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
network
low complexity
cisco
7.5
2023-03-23 CVE-2023-20027 Unspecified vulnerability in Cisco IOS XE
A vulnerability in the implementation of the IPv4 Virtual Fragmentation Reassembly (VFR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
network
low complexity
cisco
8.6
2023-03-23 CVE-2023-20056 Unspecified vulnerability in Cisco products
A vulnerability in the management CLI of Cisco access point (AP) software could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected device.
local
low complexity
cisco
5.5
2023-03-23 CVE-2023-20080 Improper Validation of Array Index vulnerability in Cisco IOS and IOS XE
A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition.
network
low complexity
cisco CWE-129
7.5
2023-03-23 CVE-2023-20082 Unspecified vulnerability in Cisco IOS XE
A vulnerability in Cisco IOS XE Software for Cisco Catalyst 9300 Series Switches could allow an authenticated, local attacker with level-15 privileges or an unauthenticated attacker with physical access to the device to execute persistent code at boot time and break the chain of trust.
low complexity
cisco
6.8