Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 598 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2015-0649 1 Cisco 1 Ios 2025-04-12 7.8 HIGH N/A
Cisco IOS 12.2, 12.4, 15.0, 15.2, and 15.3 allows remote attackers to cause a denial of service (device reload) via malformed Common Industrial Protocol (CIP) TCP packets, aka Bug ID CSCun63514.
CVE-2016-1347 1 Cisco 1 Ios 2025-04-12 7.8 HIGH 7.5 HIGH
The Wide Area Application Services (WAAS) Express implementation in Cisco IOS 15.1 through 15.5 allows remote attackers to cause a denial of service (device reload) via a crafted TCP segment, aka Bug ID CSCuq59708.
CVE-2014-3358 1 Cisco 2 Ios, Ios Xe 2025-04-12 7.8 HIGH N/A
Memory leak in Cisco IOS 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.3.xSE before 3.3.2SE, 3.3.xXO before 3.3.1XO, 3.5.xE before 3.5.2E, and 3.11.xS before 3.11.1S allows remote attackers to cause a denial of service (memory consumption, and interface queue wedge or device reload) via malformed mDNS packets, aka Bug ID CSCuj58950.
CVE-2012-3062 1 Cisco 1 Ios 2025-04-12 5.7 MEDIUM N/A
Cisco IOS before 15.1(1)SY, when Multicast Listener Discovery (MLD) snooping is enabled, allows remote attackers to cause a denial of service (CPU consumption or device crash) via MLD packets on a network that contains many IPv6 hosts, aka Bug ID CSCtr88193.
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-2015-6289 1 Cisco 4 800 Integrated Services Router, 819 Integrated Services Router, 829 Integrated Services Router and 1 more 2025-04-12 5.0 MEDIUM 7.5 HIGH
Cisco IOS 15.5(3)M on Integrated Services Router (ISR) 800, 819, and 829 devices allows remote attackers to cause a denial of service (memory consumption) via crafted TCP packets on the SSH port, aka Bug ID CSCuu13476.
CVE-2012-5017 1 Cisco 8 Asr 1001, Asr 1002, Asr 1002-x and 5 more 2025-04-12 6.8 MEDIUM N/A
Cisco IOS before 15.1(1)SY1 allows remote authenticated users to cause a denial of service (device reload) by establishing a VPN session and then sending malformed IKEv2 packets, aka Bug ID CSCub39268.
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-2012-4651 1 Cisco 1 Ios 2025-04-12 4.3 MEDIUM N/A
Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are not accompanied by SYN-ACK packets from the Scan Safe Tower, aka Bug ID CSCub85451.
CVE-2015-0606 1 Cisco 1 Ios 2025-04-12 4.9 MEDIUM N/A
The IOS Shell in Cisco IOS allows local users to cause a denial of service (device crash) via unspecified commands, aka Bug ID CSCur59696.
CVE-2014-2111 1 Cisco 1 Ios 2025-04-12 7.1 HIGH N/A
The Application Layer Gateway (ALG) module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service (device reload) via crafted DNS packets, aka Bug ID CSCue00996.
CVE-2014-2143 1 Cisco 2 Ios, Ios Xe 2025-04-12 5.0 MEDIUM N/A
The IKE implementation in Cisco IOS 15.4(1)T and earlier and IOS XE allows remote attackers to cause a denial of service (security-association drop) via crafted Main Mode packets, aka Bug ID CSCun31021.
CVE-2015-0607 1 Cisco 1 Ios 2025-04-12 4.3 MEDIUM N/A
The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers, which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code, as demonstrated by a connection attempt with a blank password, aka Bug IDs CSCuo09400 and CSCun16016.
CVE-2015-0635 1 Cisco 2 Ios, Ios Xe 2025-04-12 9.0 HIGH N/A
The Autonomic Networking Infrastructure (ANI) implementation in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.10.xS through 3.13.xS before 3.13.1S allows remote attackers to spoof Autonomic Networking Registration Authority (ANRA) responses, and consequently bypass intended device and node access restrictions or cause a denial of service (disrupted domain access), via crafted AN messages, aka Bug ID CSCup62191.
CVE-2016-1384 1 Cisco 2 Ios, Ios Xe 2025-04-12 5.0 MEDIUM 7.5 HIGH
The NTP implementation in Cisco IOS 15.1 and 15.5 and IOS XE 3.2 through 3.17 allows remote attackers to modify the system time via crafted packets, aka Bug ID CSCux46898.
CVE-2015-0731 1 Cisco 1 Ios 2025-04-12 6.1 MEDIUM N/A
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.
CVE-2015-0593 1 Cisco 1 Ios 2025-04-12 7.1 HIGH N/A
The Zone-Based Firewall implementation in Cisco IOS 12.4(122)T and earlier does not properly manage session-object structures, which allows remote attackers to cause a denial of service (device reload) via crafted network traffic, aka Bug ID CSCul65003.
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-2015-0592 1 Cisco 1 Ios 2025-04-12 7.8 HIGH N/A
The Zone-Based Firewall 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 incorrect kernel-timer handling, aka Bug ID CSCuh25672.
CVE-2012-5039 1 Cisco 1 Ios 2025-04-12 4.3 MEDIUM N/A
The BGP Router process in Cisco IOS before 12.2(50)SY1 allows remote attackers to cause a denial of service (memory consumption) via vectors involving BGP path attributes, aka Bug ID CSCsw63003.