Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 608 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2015-4202 1 Cisco 2 Ios, Ubr10000 Cable Modem Termination System 2025-04-12 5.0 MEDIUM N/A
Cisco IOS 12.2SCH on uBR10000 router Cable Modem Termination Systems (CMTS) does not properly restrict access to the IP Detail Record (IPDR) service, which allows remote attackers to obtain potentially sensitive MAC address and network-utilization information via crafted IPDR packets, aka Bug ID CSCua39203.
CVE-2015-4185 1 Cisco 1 Ios 2025-04-12 6.9 MEDIUM N/A
The TCL interpreter in Cisco IOS 15.2 does not properly maintain the vty state, which allows local users to gain privileges by starting a session very soon after a TCL script execution, aka Bug ID CSCuq24202.
CVE-2014-3293 1 Cisco 2 Asr901, Ios 2025-04-12 5.0 MEDIUM N/A
Cisco IOS 15.4(3)S0b on ASR901 devices makes incorrect decisions to use the CPU for IPv4 packet processing, which allows remote attackers to cause a denial of service (BGP neighbor flapping) by sending many crafted IPv4 packets, aka Bug ID CSCuo29736.
CVE-2015-6294 1 Cisco 2 Ios, Ios Xe 2025-04-12 6.1 MEDIUM N/A
Cisco IOS 15.2(3)E and earlier and IOS XE 3.6(2)E and earlier allow remote attackers to cause a denial of service (functionality loss) via crafted Cisco Discovery Protocol (CDP) packets, aka Bug ID CSCuu25770.
CVE-2016-6415 1 Cisco 3 Ios, Ios Xe, Ios Xr 2025-04-12 5.0 MEDIUM 7.5 HIGH
The server IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.6, IOS XE through 3.18S, IOS XR 4.3.x and 5.0.x through 5.2.x, and PIX before 7.0 allows remote attackers to obtain sensitive information from device memory via a Security Association (SA) negotiation request, aka Bug IDs CSCvb29204 and CSCvb36055 or BENIGNCERTAIN.
CVE-2014-2146 1 Cisco 2 Ios, Ios Xe 2025-04-12 4.3 MEDIUM 6.5 MEDIUM
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.
CVE-2015-0648 1 Cisco 1 Ios 2025-04-12 7.8 HIGH N/A
Memory leak in Cisco IOS 12.2, 12.4, 15.0, 15.2, and 15.3 allows remote attackers to cause a denial of service (memory consumption) via crafted Common Industrial Protocol (CIP) TCP packets, aka Bug ID CSCun49658.
CVE-2014-3347 1 Cisco 8 1801 Integrated Service Router, 1802 Integrated Service Router, 1803 Integrated Service Router and 5 more 2025-04-12 5.4 MEDIUM N/A
Cisco IOS 15.1(4)M2 on Cisco 1800 ISR devices, when the ISDN Basic Rate Interface is enabled, allows remote attackers to cause a denial of service (device hang) by leveraging knowledge of the ISDN phone number to trigger an interrupt timer collision during entropy collection, leading to an invalid state of the hardware encryption module, aka Bug ID CSCul77897.
CVE-2015-6429 1 Cisco 2 Ios, Ios Xe 2025-04-12 5.0 MEDIUM N/A
The IKEv1 state machine in Cisco IOS 15.4 through 15.6 and IOS XE 3.15 through 3.17 allows remote attackers to cause a denial of service (IPsec connection termination) via a crafted IKEv1 packet to a tunnel endpoint, aka Bug ID CSCuw08236.
CVE-2016-1351 1 Cisco 2 Ios, Nx-os 2025-04-12 7.8 HIGH 7.5 HIGH
The Locator/ID Separation Protocol (LISP) implementation in Cisco IOS 15.1 and 15.2 and NX-OS 4.1 through 6.2 allows remote attackers to cause a denial of service (device reload) via a crafted header in a packet, aka Bug ID CSCuu64279.
CVE-2015-4200 1 Cisco 1 Ios 2025-04-12 7.8 HIGH N/A
Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.
CVE-2014-2112 1 Cisco 1 Ios 2025-04-12 7.8 HIGH N/A
The SSL VPN (aka WebVPN) feature in Cisco IOS 15.1 through 15.4 allows remote attackers to cause a denial of service (memory consumption) via crafted HTTP requests, aka Bug ID CSCuf51357.
CVE-2012-1366 1 Cisco 10 Asr 1001, Asr 1002, Asr 1002-x and 7 more 2025-04-12 6.1 MEDIUM N/A
Cisco IOS before 15.1(1)SY on ASR 1000 devices, when Multicast Listener Discovery (MLD) tracking is enabled for IPv6, allows remote attackers to cause a denial of service (device reload) via crafted MLD packets, aka Bug ID CSCtz28544.
CVE-2015-0643 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH N/A
Cisco IOS 12.2, 12.4, 15.0, 15.1, 15.2, 15.3, and 15.4 and IOS XE 2.5.x, 2.6.x, 3.1.xS through 3.12.xS before 3.12.3S, 3.2.xE through 3.7.xE before 3.7.1E, 3.3.xSG, 3.4.xSG, and 3.13.xS before 3.13.2S allow remote attackers to cause a denial of service (memory consumption and device reload) by sending malformed IKEv2 packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCuo75572.
CVE-2015-0646 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH N/A
Memory leak in the TCP input module in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.3.xXO, 3.5.xE, 3.6.xE, 3.8.xS through 3.10.xS before 3.10.5S, and 3.11.xS and 3.12.xS before 3.12.3S allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted TCP packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCum94811.
CVE-2015-0598 1 Cisco 2 Ios, Ios Xe 2025-04-12 6.8 MEDIUM N/A
The RADIUS implementation in Cisco IOS and IOS XE allows remote attackers to cause a denial of service (device reload) via crafted IPv6 Attributes in Access-Accept packets, aka Bug IDs CSCur84322 and CSCur27693.
CVE-2015-0687 1 Cisco 8 Catalyst 4503, Catalyst 4503-e, Catalyst 4506-e and 5 more 2025-04-12 6.3 MEDIUM N/A
The SNMP implementation in Cisco IOS 15.1(2)SG4 on Catalyst 4500 devices, when single-switch Virtual Switching System (VSS) is configured, allows remote authenticated users to cause a denial of service (device crash) by performing SNMP polling, aka Bug ID CSCuq04574.
CVE-2014-7997 1 Cisco 21 Aironet 1040, Aironet 1140, Aironet 1260 and 18 more 2025-04-12 6.1 MEDIUM N/A
The DHCP implementation in Cisco IOS on Aironet access points does not properly handle error conditions with short leases and unsuccessful lease-renewal attempts, which allows remote attackers to cause a denial of service (device restart) by triggering a transition into a recovery state that was intended to involve a network-interface restart but actually involves a full device restart, aka Bug ID CSCtn16281.
CVE-2012-3946 1 Cisco 1 Ios 2025-04-12 5.0 MEDIUM N/A
Cisco IOS before 15.3(2)S allows remote attackers to bypass interface ACL restrictions in opportunistic circumstances by sending IPv6 packets in an unspecified scenario in which expected packet drops do not occur for "a small percentage" of the packets, aka Bug ID CSCty73682.
CVE-2016-6380 1 Cisco 6 Ios, Ios Xe, Ios Xe 3.2ja and 3 more 2025-04-12 8.3 HIGH 8.1 HIGH
The DNS forwarder in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.15 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (data corruption or device reload) via a crafted DNS response, aka Bug ID CSCup90532.