CVE-2023-20187

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. This...

CVE-2023-20202

A vulnerability in the Wireless Network Control daemon wncd of Cisco IOS XE Software for Wireless LAN Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition. This vulnerability is due to improper memory management. An attacker could exploit this...

CVE-2023-20233

A vulnerability in the Connectivity Fault Management CFM feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to incorrect processing of invalid continuity check messages CCMs. ...

CVE-2023-20135

A vulnerability in Cisco IOS XR Software image verification checks could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. This vulnerability is due to a time-of-check, time-of-use TOCTOU race condition when an install query regarding an ISO imag...

CVE-2023-20273

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands with the privileges of root. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web...

CVE-2023-20190

A vulnerability in the classic access control list ACL compression feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. This vulnerability is due to incorrect destination address range...

CVE-2023-20198

Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software. We are updating the list of fixed releases and adding the Software Checker. Our investigation has determined that the actors exploited two previously unknown issue...

CVE-2023-20236

A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating...

CVE-2023-20191

A vulnerability in the access control list ACL processing on MPLS interfaces in the ingress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to incomplete support for this feature. An attacker could exploit th...

CVE-2023-20227

A vulnerability in the Layer 2 Tunneling Protocol L2TP feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of certain L2TP packets. An attacker could explo...

CVE-2023-20186

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...

CVE-2022-20849

A vulnerability in the Broadband Network Gateway PPP over Ethernet PPPoE feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the PPPoE process to continually crash. This vulnerability exists because the PPPoE feature does not properly handle an error...

CVE-2021-1440

A vulnerability in the implementation of the Resource Public Key Infrastructure RPKI feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause the Border Gateway Protocol BGP process to crash, resulting in a denial of service DoS condition. This vulnerability is du...

CVE-2010-2834

Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager aka CUCM, formerly CallManager 6.x before 6.15SU1, 7.x before 7.15, and 8.0 before 8.02 allow remote attackers to cause a denial of service device reload or...

CVE-2010-2836

Memory leak in the SSL VPN feature in Cisco IOS 12.4, 15.0, and 15.1, when HTTP port redirection is enabled, allows remote attackers to cause a denial of service memory consumption by improperly disconnecting SSL sessions, leading to connections that remain in the CLOSE-WAIT state, aka Bug ID...

CVE-2012-1350

Cisco IOS 12.3 and 12.4 on Aironet access points allows remote attackers to cause a denial of service radio-interface input-queue hang via IAPP 0x3281 packets, aka Bug ID CSCtc12426...

CVE-2013-5477

The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service interface queue wedge via bursty network traffic, aka Bug ID CSCub67465...

CVE-2013-5543

Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service device reload via malformed ICMP error packets associated with a 1 TCP or 2 UDP session that is under inspection by the Zone-Based Firewall ZBFW component, aka Bug ID...

CVE-2013-5545

The PPTP ALG implementation in Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service device reload by sending many PPTP packets over NAT, aka Bug ID CSCuh19936...

CVE-2013-5546

The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service device reload via large TCP packets that are processed by the 1 NAT or 2 ALG component, aka Bug ID CSCud72509...