Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 603 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2010-0576 1 Cisco 3 Ios, Ios Xe, Ios Xr 2025-04-11 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 12.0 through 12.4, IOS XE 2.1.x through 2.3.x before 2.3.2, and IOS XR 3.2.x through 3.4.3, when Multiprotocol Label Switching (MPLS) and Label Distribution Protocol (LDP) are enabled, allows remote attackers to cause a denial of service (device reload or process restart) via a crafted LDP packet, aka Bug IDs CSCsz45567 and CSCsj25893.
CVE-2010-2832 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
Unspecified vulnerability in the NAT for H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic, aka Bug ID CSCtf91428.
CVE-2010-2834 1 Cisco 3 Ios, Ios Xe, Unified Communications Manager 2025-04-11 7.8 HIGH N/A
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 6.1(5)SU1, 7.x before 7.1(5), and 8.0 before 8.0(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via crafted SIP registration traffic over UDP, aka Bug IDs CSCtf72678 and CSCtf14987.
CVE-2011-4015 1 Cisco 1 Ios 2025-04-11 5.0 MEDIUM N/A
Cisco IOS 15.2S allows remote attackers to cause a denial of service (interface queue wedge) via malformed UDP traffic on port 465, aka Bug ID CSCts48300.
CVE-2011-0348 1 Cisco 2 Content Services Gateway Second Generation, Ios 2025-04-11 6.4 MEDIUM N/A
Cisco IOS 12.4(11)MD, 12.4(15)MD, 12.4(22)MD, 12.4(24)MD before 12.4(24)MD3, 12.4(22)MDA before 12.4(22)MDA5, and 12.4(24)MDA before 12.4(24)MDA3 on the Cisco Content Services Gateway Second Generation (aka CSG2) allows remote attackers to bypass intended access restrictions and intended billing restrictions by sending HTTP traffic to a restricted destination after sending HTTP traffic to an unrestricted destination, aka Bug ID CSCtk35917.
CVE-2013-5474 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
Race condition in the IPv6 virtual fragmentation reassembly (VFR) implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.3 allows remote attackers to cause a denial of service (device reload or hang) via fragmented IPv6 packets, aka Bug ID CSCud64812.
CVE-2012-4619 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
The NAT implementation in Cisco IOS 12.2, 12.4, and 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via transit IP packets, aka Bug ID CSCtr46123.
CVE-2012-0384 1 Cisco 2 Ios, Ios Xe 2025-04-11 8.5 HIGH 7.2 HIGH
Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x and 3.1.xS before 3.1.2S, 3.2.xS through 3.4.xS before 3.4.2S, 3.5.xS before 3.5.1S, and 3.1.xSG and 3.2.xSG before 3.2.2SG, when AAA authorization is enabled, allow remote authenticated users to bypass intended access restrictions and execute commands via a (1) HTTP or (2) HTTPS session, aka Bug ID CSCtr91106.
CVE-2011-2059 1 Cisco 1 Ios 2025-04-11 5.0 MEDIUM N/A
The ipv6 component in Cisco IOS before 15.1(4)M1.3 allows remote attackers to conduct fingerprinting attacks and obtain potentially sensitive information about the presence of the IOS operating system via an ICMPv6 Echo Request packet containing a Hop-by-Hop (HBH) extension header (EH) with a 0x0c01050c value in the PadN option data, aka Bug ID CSCtq02219.
CVE-2012-1311 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
The RSVP feature in Cisco IOS 15.0 and 15.1 and IOS XE 3.2.xS through 3.4.xS before 3.4.2S, when a VRF interface is configured, allows remote attackers to cause a denial of service (interface queue wedge and service outage) via crafted RSVP packets, aka Bug ID CSCts80643.
CVE-2012-3949 1 Cisco 3 Ios, Ios Xe, Unified Communications Manager 2025-04-11 7.8 HIGH N/A
The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5, 8.x before 8.5(1)su4, and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15.2; and Cisco IOS XE 3.3.xSG before 3.3.1SG, 3.4.xS, and 3.5.xS allows remote attackers to cause a denial of service (service crash or device reload) via a crafted SIP message containing an SDP session description, aka Bug IDs CSCtw66721, CSCtj33003, and CSCtw84664.
CVE-2013-1217 1 Cisco 1 Ios 2025-04-11 6.8 MEDIUM N/A
The generic input/output control implementation in Cisco IOS does not properly manage buffers, which allows remote authenticated users to cause a denial of service (device reload) by sending many SNMP requests at the same time, aka Bug ID CSCub41105.
CVE-2011-0350 1 Cisco 2 Content Services Gateway Second Generation, Ios 2025-04-11 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 12.4(24)MD before 12.4(24)MD2 on the Cisco Content Services Gateway Second Generation (aka CSG2) allows remote attackers to cause a denial of service (device hang or reload) via crafted TCP packets, aka Bug ID CSCth41891, a different vulnerability than CVE-2011-0349.
CVE-2011-3289 1 Cisco 1 Ios 2025-04-11 3.6 LOW N/A
Cisco IOS 12.4 and 15.0 through 15.2 allows physically proximate attackers to bypass the No Service Password-Recovery feature and read the start-up configuration via unspecified vectors, aka Bug ID CSCtr97640.
CVE-2011-3281 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 15.0 through 15.1, in certain HTTP Layer 7 Application Control and Inspection configurations, allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTP packet, aka Bug ID CSCto68554.
CVE-2013-1147 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.
CVE-2012-4617 1 Cisco 3 Ios, Ios Xe, Ios Xr 2025-04-11 7.1 HIGH N/A
The BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914.
CVE-2011-2064 1 Cisco 2 Content Services Gateway Second Generation, Ios 2025-04-11 7.8 HIGH N/A
Cisco IOS 12.4MDA before 12.4(24)MDA5 on the Cisco Content Services Gateway - Second Generation (CSG2) allows remote attackers to cause a denial of service (device reload) via crafted ICMP packets, aka Bug ID CSCtl79577.
CVE-2013-5552 1 Cisco 2 Content Services Gateway, Ios 2025-04-11 6.4 MEDIUM N/A
Cisco IOS 12.4(24)MDB9 and earlier on Content Services Gateway (CSG) devices does not properly implement the "parse error drop" feature, which allows remote attackers to bypass intended access restrictions via a crafted series of packets, aka Bug ID CSCug90143.
CVE-2013-1136 1 Cisco 2 Aggregation Services Router Route Processor, Ios 2025-04-11 4.6 MEDIUM N/A
The crypto engine process in Cisco IOS on Aggregation Services Router (ASR) Route Processor 2 does not properly manage memory, which allows local users to cause a denial of service (route processor crash) by creating multiple tunnels and then examining encryption statistics, aka Bug ID CSCuc52193.