Total
21 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2023-20227 | 1 Cisco | 41 1000 Integrated Services Router, 1100-4g Integrated Services Router, 1100-4gltegb Integrated Services Router and 38 more | 2024-01-25 | N/A | 7.5 HIGH |
| 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 exploit this vulnerability by sending crafted L2TP packets to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. Note: Only traffic directed to the affected system can be used to exploit this vulnerability. | |||||
| CVE-2023-20027 | 1 Cisco | 35 1000 Integrated Services Router, 1100-4g\/6g Integrated Services Router, 1100-4g Integrated Services Router and 32 more | 2023-12-10 | N/A | 8.6 HIGH |
| 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. This vulnerability is due to improper reassembly of large packets that occurs when VFR is enabled on either a tunnel interface or on a physical interface that is configured with a maximum transmission unit (MTU) greater than 4,615 bytes. An attacker could exploit this vulnerability by sending fragmented packets through a VFR-enabled interface on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. | |||||
| CVE-2023-20081 | 1 Cisco | 304 1100-4g Integrated Services Router, 1100-4p Integrated Services Router, 1100-6g Integrated Services Router and 301 more | 2023-12-10 | N/A | 5.9 MEDIUM |
| A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and 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 insufficient validation of DHCPv6 messages. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: To successfully exploit this vulnerability, the attacker would need to either control the DHCPv6 server or be in a man-in-the-middle position. | |||||
| CVE-2022-20678 | 1 Cisco | 25 1100-4g Integrated Services Router, 1100-6g Integrated Services Router, 1101 Integrated Services Router and 22 more | 2023-12-10 | 7.8 HIGH | 7.5 HIGH |
| A vulnerability in the AppNav-XE feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of certain TCP segments. An attacker could exploit this vulnerability by sending a stream of crafted TCP traffic at a high rate through an interface of an affected device. That interface would need to have AppNav interception enabled. A successful exploit could allow the attacker to cause the device to reload. | |||||
| CVE-2022-20677 | 1 Cisco | 62 1100-4g Integrated Services Router, 1100-6g Integrated Services Router, 1101 Integrated Services Router and 59 more | 2023-12-10 | 7.2 HIGH | 6.7 MEDIUM |
| Multiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory. | |||||
| CVE-2020-3425 | 1 Cisco | 110 1100 Integrated Services Router, 1101 Integrated Services Router, 1109 Integrated Services Router and 107 more | 2023-12-10 | 6.5 MEDIUM | 8.8 HIGH |
| Multiple vulnerabilities in the web management framework of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to elevate privileges to the level of an Administrator user on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. | |||||
| CVE-2021-1371 | 1 Cisco | 17 1100 Integrated Services Router, 1101 Integrated Services Router, 1109 Integrated Services Router and 14 more | 2023-12-10 | 7.2 HIGH | 6.6 MEDIUM |
| A vulnerability in the role-based access control of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker with read-only privileges to obtain administrative privileges by using the console port when the device is in the default SD-WAN configuration. This vulnerability occurs because the default configuration is applied for console authentication and authorization. An attacker could exploit this vulnerability by connecting to the console port and authenticating as a read-only user. A successful exploit could allow a user with read-only permissions to access administrative privileges. | |||||
| CVE-2020-3423 | 1 Cisco | 26 1100 Integrated Services Router, 1101 Integrated Services Router, 1109 Integrated Services Router and 23 more | 2023-12-10 | 7.2 HIGH | 6.7 MEDIUM |
| A vulnerability in the implementation of the Lua interpreter that is integrated in Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary code with root privileges on the underlying Linux operating system (OS) of an affected device. The vulnerability is due to insufficient restrictions on Lua function calls within the context of user-supplied Lua scripts. An attacker with valid administrative credentials could exploit this vulnerability by submitting a malicious Lua script. When this file is processed, an exploitable buffer overflow condition could occur. A successful exploit could allow the attacker to execute arbitrary code with root privileges on the underlying Linux OS of the affected device. | |||||
| CVE-2020-3479 | 1 Cisco | 26 1100 Integrated Services Router, 1101 Integrated Services Router, 1109 Integrated Services Router and 23 more | 2023-12-10 | 7.8 HIGH | 7.5 HIGH |
| A vulnerability in the implementation of Multiprotocol Border Gateway Protocol (MP-BGP) for the Layer 2 VPN (L2VPN) Ethernet VPN (EVPN) address family in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to incorrect processing of Border Gateway Protocol (BGP) update messages that contain crafted EVPN attributes. An attacker could exploit this vulnerability by sending BGP update messages with specific, malformed attributes to an affected device. A successful exploit could allow the attacker to cause an affected device to crash, resulting in a DoS condition. | |||||
| CVE-2020-3480 | 1 Cisco | 26 1100 Integrated Services Router, 1101 Integrated Services Router, 1109 Integrated Services Router and 23 more | 2023-12-10 | 7.8 HIGH | 8.6 HIGH |
| Multiple vulnerabilities in the Zone-Based Firewall feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload or stop forwarding traffic through the firewall. The vulnerabilities are due to incomplete handling of Layer 4 packets through the device. An attacker could exploit these vulnerabilities by sending a certain sequence of traffic patterns through the device. A successful exploit could allow the attacker to cause the device to reload or stop forwarding traffic through the firewall, resulting in a denial of service. For more information about these vulnerabilities, see the Details section of this advisory. | |||||
| CVE-2020-3299 | 2 Cisco, Snort | 16 1100-4p, 1100-8p, 1101-4p and 13 more | 2023-12-10 | 5.0 MEDIUM | 5.8 MEDIUM |
| Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured File Policy for HTTP. The vulnerability is due to incorrect detection of modified HTTP packets used in chunked responses. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured File Policy for HTTP packets and deliver a malicious payload. | |||||
| CVE-2020-3428 | 1 Cisco | 74 1100 Integrated Services Router, 1101 Integrated Services Router, 1109 Integrated Services Router and 71 more | 2023-12-10 | 6.1 MEDIUM | 6.5 MEDIUM |
| A vulnerability in the WLAN Local Profiling feature of Cisco IOS XE Wireless Controller Software for the Cisco Catalyst 9000 Family could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect parsing of HTTP packets while performing HTTP-based endpoint device classifications. An attacker could exploit this vulnerability by sending a crafted HTTP packet to an affected device. A successful exploit could cause an affected device to reboot, resulting in a DoS condition. | |||||
| CVE-2019-12657 | 1 Cisco | 118 4321 Integrated Services Router, 4331 Integrated Services Router, 4351 Integrated Services Router and 115 more | 2023-12-10 | 7.8 HIGH | 7.5 HIGH |
| A vulnerability in Unified Threat Defense (UTD) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper validation of IPv6 packets through the UTD feature. An attacker could exploit this vulnerability by sending IPv6 traffic through an affected device that is configured with UTD. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition. | |||||
| CVE-2019-12647 | 1 Cisco | 28 1100, 4221, 4321 and 25 more | 2023-12-10 | 7.8 HIGH | 7.5 HIGH |
| A vulnerability in the Ident protocol handler of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability exists because the affected software incorrectly handles memory structures, leading to a NULL pointer dereference. An attacker could exploit this vulnerability by opening a TCP connection to specific ports and sending traffic over that connection. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. | |||||
| CVE-2019-12651 | 1 Cisco | 5 Cloud Services Router 1000v, Cloud Services Router 1000v Firmware, Integrated Services Virtual Router and 2 more | 2023-12-10 | 9.0 HIGH | 8.8 HIGH |
| Multiple vulnerabilities in the web-based user interface (Web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to execute commands with elevated privileges on the affected device. For more information about these vulnerabilities, see the Details section of this advisory. | |||||
| CVE-2019-12654 | 1 Cisco | 17 1000 Integrated Services Router, 1100 Integrated Services Router, 4000 Integrated Services Router and 14 more | 2023-12-10 | 7.8 HIGH | 7.5 HIGH |
| A vulnerability in the common Session Initiation Protocol (SIP) library of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient sanity checks on an internal data structure. An attacker could exploit this vulnerability by sending a sequence of malicious SIP messages to an affected device. An exploit could allow the attacker to cause a NULL pointer dereference, resulting in a crash of the iosd process. This triggers a reload of the device. | |||||
| CVE-2019-12650 | 1 Cisco | 79 1100-4p Integrated Services Router, 1100-8p Integrated Services Router, 1101-4p Integrated Services Router and 76 more | 2023-12-10 | 9.0 HIGH | 8.8 HIGH |
| Multiple vulnerabilities in the web-based user interface (Web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to execute commands with elevated privileges on the affected device. For more information about these vulnerabilities, see the Details section of this advisory. | |||||
| CVE-2019-12643 | 1 Cisco | 8 4221 Integrated Services Router, 4321 Integrated Services Router, 4331 Integrated Services Router and 5 more | 2023-12-10 | 10.0 HIGH | 10.0 CRITICAL |
| A vulnerability in the Cisco REST API virtual service container for Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass authentication on the managed Cisco IOS XE device. The vulnerability is due to an improper check performed by the area of code that manages the REST API authentication service. An attacker could exploit this vulnerability by submitting malicious HTTP requests to the targeted device. A successful exploit could allow the attacker to obtain the token-id of an authenticated user. This token-id could be used to bypass authentication and execute privileged actions through the interface of the REST API virtual service container on the affected Cisco IOS XE device. The REST API interface is not enabled by default and must be installed and activated separately on IOS XE devices. See the Details section for more information. | |||||
| CVE-2019-1904 | 1 Cisco | 11 4321 Integrated Services Router, 4331 Integrated Services Router, 4351 Integrated Services Router and 8 more | 2023-12-10 | 6.8 MEDIUM | 8.8 HIGH |
| A vulnerability in the web-based UI (web UI) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. The vulnerability is due to insufficient CSRF protections for the web UI on an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the affected user. If the user has administrative privileges, the attacker could alter the configuration, execute commands, or reload an affected device. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software with the HTTP Server feature enabled. The default state of the HTTP Server feature is version dependent. | |||||
| CVE-2018-0177 | 1 Cisco | 117 4321 Integrated Services Router, 4331 Integrated Services Router, 4351 Integrated Services Router and 114 more | 2023-12-10 | 7.8 HIGH | 7.5 HIGH |
| A vulnerability in the IP Version 4 (IPv4) processing code of Cisco IOS XE Software running on Cisco Catalyst 3850 and Cisco Catalyst 3650 Series Switches could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain IPv4 packets. An attacker could exploit this vulnerability by sending specific IPv4 packets to an IPv4 address on an affected device. A successful exploit could allow the attacker to cause high CPU utilization, traceback messages, or a reload of the affected device that leads to a DoS condition. If the switch does not reboot when under attack, it would require manual intervention to reload the device. This vulnerability affects Cisco Catalyst 3850 and Cisco Catalyst 3650 Series Switches that are running Cisco IOS XE Software Release 16.1.1 or later, until the first fixed release, and are configured with an IPv4 address. Cisco Bug IDs: CSCvd80714. | |||||