Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 598 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2015-0609 1 Cisco 1 Ios 2025-04-12 7.1 HIGH N/A
Race condition in the Common Classification Engine (CCE) in the Measurement, Aggregation, and Correlation Engine (MACE) implementation in Cisco IOS 15.4(2)T3 and earlier allows remote attackers to cause a denial of service (device reload) via crafted network traffic that triggers improper handling of the timing of process switching and Cisco Express Forwarding (CEF) switching, aka Bug ID CSCuj96752.
CVE-2016-6382 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH 7.5 HIGH
Cisco IOS 15.2 through 15.6 and IOS XE 3.6 through 3.17 and 16.1 allow remote attackers to cause a denial of service (device restart) via a malformed IPv6 Protocol Independent Multicast (PIM) register packet, aka Bug ID CSCuy16399.
CVE-2014-2113 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH N/A
Cisco IOS 15.1 through 15.3 and IOS XE 3.3 and 3.5 before 3.5.2E; 3.7 before 3.7.5S; and 3.8, 3.9, and 3.10 before 3.10.2S allow remote attackers to cause a denial of service (I/O memory consumption and device reload) via a malformed IPv6 packet, aka Bug ID CSCui59540.
CVE-2014-3309 1 Cisco 2 Ios, Ios Xe 2025-04-12 5.0 MEDIUM N/A
The NTP implementation in Cisco IOS and IOS XE does not properly support use of the access-group command for a "deny all" configuration, which allows remote attackers to bypass intended restrictions on time synchronization via a standard query, aka Bug ID CSCuj66318.
CVE-2016-6393 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.1 HIGH 7.5 HIGH
The AAA service in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 2.1 through 3.18 and 16.2 allows remote attackers to cause a denial of service (device reload) via a failed SSH connection attempt that is mishandled during generation of an error-log message, aka Bug ID CSCuy87667.
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-2016-6384 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH 7.5 HIGH
Cisco IOS 12.2 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.17 and 16.2 allow remote attackers to cause a denial of service (device reload) via crafted fields in an H.323 message, aka Bug ID CSCux04257.
CVE-2012-4658 1 Cisco 1 Ios 2025-04-12 5.0 MEDIUM N/A
The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP service outage) via vectors that trigger incorrectly terminated HTTP sessions, aka Bug ID CSCtz99447.
CVE-2014-3327 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH N/A
The EnergyWise module in Cisco IOS 12.2, 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.2.xXO, 3.3.xSG, 3.4.xSG, and 3.5.xE before 3.5.3E allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCup52101.
CVE-2016-6398 1 Cisco 1 Ios 2025-04-12 5.0 MEDIUM 5.3 MEDIUM
The PPTP server in Cisco IOS 15.5(3)M does not properly initialize packet buffers, which allows remote attackers to obtain sensitive information from earlier network communication by reading packet data, aka Bug ID CSCvb16274.
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-2016-6391 1 Cisco 1 Ios 2025-04-12 7.8 HIGH 7.5 HIGH
Cisco IOS 12.2 and 15.0 through 15.3 allows remote attackers to cause a denial of service (traffic-processing outage) via a crafted series of Common Industrial Protocol (CIP) requests, aka Bug ID CSCur69036.
CVE-2014-3273 1 Cisco 1 Ios 2025-04-12 6.1 MEDIUM N/A
The LLDP implementation in Cisco IOS allows remote attackers to cause a denial of service (device reload) via a malformed packet, aka Bug ID CSCum96282.
CVE-2016-1424 1 Cisco 1 Ios 2025-04-12 6.1 MEDIUM 6.5 MEDIUM
Cisco IOS 15.2(1)T1.11 and 15.2(2)TST allows remote attackers to cause a denial of service (device crash) via a crafted LLDP packet, aka Bug ID CSCun63132.
CVE-2012-5044 1 Cisco 1 Ios 2025-04-12 5.4 MEDIUM N/A
Cisco IOS before 15.3(1)T, when media flow-around is not used, allows remote attackers to cause a denial of service (media loops and stack memory corruption) via VoIP traffic, aka Bug ID CSCub45809.
CVE-2016-1399 1 Cisco 15 Ie-4000-16gt4g-e, Ie-4000-16t4g-e, Ie-4000-4gc4gp4g-e and 12 more 2025-04-12 5.0 MEDIUM 7.5 HIGH
The packet-processing microcode in Cisco IOS 15.2(2)EA, 15.2(2)EA1, 15.2(2)EA2, and 15.2(4)EA on Industrial Ethernet 4000 devices and 15.2(2)EB and 15.2(2)EB1 on Industrial Ethernet 5000 devices allows remote attackers to cause a denial of service (packet data corruption) via crafted IPv4 ICMP packets, aka Bug ID CSCuy13431.
CVE-2015-0650 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH N/A
The Service Discovery Gateway (aka mDNS Gateway) in Cisco IOS 12.2, 12.4, 15.0, 15.1, 15.2, 15.3, and 15.4 and IOS XE 3.9.xS and 3.10.xS before 3.10.4S, 3.11.xS before 3.11.3S, 3.12.xS before 3.12.2S, and 3.13.xS before 3.13.1S allows remote attackers to cause a denial of service (device reload) by sending malformed mDNS UDP packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCup70579.
CVE-2015-6385 1 Cisco 1 Ios 2025-04-12 7.2 HIGH N/A
The publish-event event-manager feature in Cisco IOS 15.5(2)S and 15.5(3)S on Cloud Services Router 1000V devices allows local users to execute arbitrary commands with root privileges by leveraging administrative access to enter crafted environment variables, aka Bug ID CSCux14943.
CVE-2015-6278 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH N/A
The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.2SE, 3.3SE, 3.3XO, 3.4SG, 3.5E, and 3.6E before 3.6.3E; 3.7E before 3.7.2E; 3.9S and 3.10S before 3.10.6S; 3.11S before 3.11.4S; 3.12S and 3.13S before 3.13.3S; and 3.14S before 3.14.2S does not properly implement the Control Plane Protection (aka CPPr) feature, which allows remote attackers to cause a denial of service (device reload) via a flood of ND packets, aka Bug ID CSCus19794.
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.