Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios Xe
Total 508 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2013-1165 1 Cisco 8 Asr 1001, Asr 1002, Asr 1002-x and 5 more 2025-04-11 7.8 HIGH N/A
Cisco IOS XE 2.x and 3.x before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR) allows remote attackers to cause a denial of service (card reload) by sending many crafted L2TP packets, aka Bug ID CSCtz23293.
CVE-2013-5543 1 Cisco 7 Asr 1001, Asr 1002, Asr 1002-x and 4 more 2025-04-11 7.8 HIGH N/A
Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via malformed ICMP error packets associated with a (1) TCP or (2) UDP session that is under inspection by the Zone-Based Firewall (ZBFW) component, aka Bug ID CSCtt26470.
CVE-2011-3276 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
Unspecified vulnerability in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload or hang) by sending crafted SIP packets to TCP port 5060, aka Bug ID CSCso02147.
CVE-2011-0946 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
The NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload or hang) via malformed NetMeeting Directory (aka Internet Locator Service or ILS) LDAP traffic, aka Bug ID CSCtd10712.
CVE-2013-6705 1 Cisco 2 Ios, Ios Xe 2025-04-11 6.1 MEDIUM N/A
The IP Device Tracking (IPDT) feature in Cisco IOS and IOS XE allows remote attackers to cause a denial of service (IPDT AVL corruption and device reload) via a crafted sequence of ARP packets, aka Bug ID CSCuh38133.
CVE-2013-0149 1 Cisco 7 Asa 5500, Fwsm, Ios and 4 more 2025-04-11 5.8 MEDIUM N/A
The OSPF implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.3, IOS-XE 2.x through 3.9.xS, ASA and PIX 7.x through 9.1, FWSM, NX-OS, and StarOS before 14.0.50488 does not properly validate Link State Advertisement (LSA) type 1 packets before performing operations on the LSA database, which allows remote attackers to cause a denial of service (routing disruption) or obtain sensitive packet information via a (1) unicast or (2) multicast packet, aka Bug IDs CSCug34485, CSCug34469, CSCug39762, CSCug63304, and CSCug39795.
CVE-2011-3275 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.
CVE-2010-2828 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
Unspecified vulnerability in the H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 2.5.x before 2.5.2 and 2.6.x before 2.6.1, allows remote attackers to cause a denial of service (device reload) via crafted H.323 packets, aka Bug ID CSCtc73759.
CVE-2013-5472 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.1 HIGH N/A
The NTP implementation in Cisco IOS 12.0 through 12.4 and 15.0 through 15.1, and IOS XE 2.1 through 3.3, does not properly handle encapsulation of multicast NTP packets within MSDP SA messages, which allows remote attackers to cause a denial of service (device reload) by leveraging an MSDP peer relationship, aka Bug ID CSCuc81226.
CVE-2011-0945 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
Memory leak in the Data-link switching (aka DLSw) feature in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xS before 3.1.3S and 3.2.xS before 3.2.1S, when implemented over Fast Sequence Transport (FST), allows remote attackers to cause a denial of service (memory consumption and device reload or hang) via a crafted IP protocol 91 packet, aka Bug ID CSCth69364.
CVE-2013-5545 1 Cisco 7 Asr 1001, Asr 1002, Asr 1002-x and 4 more 2025-04-11 7.8 HIGH N/A
The PPTP ALG implementation in Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) by sending many PPTP packets over NAT, aka Bug ID CSCuh19936.
CVE-2013-2779 1 Cisco 9 Asr 1001, Asr 1002, Asr 1002-x and 6 more 2025-04-11 7.8 HIGH N/A
Cisco IOS XE 3.4 before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR) does not properly implement the Cisco Multicast Leaf Recycle Elimination (MLRE) feature, which allows remote attackers to cause a denial of service (card reload) via fragmented IPv6 MVPN (aka MVPNv6) packets, aka Bug ID CSCub34945, a different vulnerability than CVE-2013-1164.
CVE-2013-1143 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.1 HIGH N/A
The RSVP protocol implementation in Cisco IOS 12.2 and 15.0 through 15.2 and IOS XE 3.1.xS through 3.4.xS before 3.4.5S and 3.5.xS through 3.7.xS before 3.7.2S, when MPLS-TE is enabled, allows remote attackers to cause a denial of service (incorrect memory access and device reload) via a traffic engineering PATH message in an RSVP packet, aka Bug ID CSCtg39957.
CVE-2011-3279 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
The provider-edge MPLS NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (device reload) via a malformed SIP packet to UDP port 5060, aka Bug ID CSCti98219.
CVE-2013-6704 1 Cisco 1 Ios Xe 2025-04-11 7.1 HIGH N/A
Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.
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-2013-5478 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
Cisco IOS 15.0 through 15.3 and IOS XE 3.2 through 3.8, when a VRF interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via crafted UDP RSVP packets, aka Bug ID CSCuf17023.
CVE-2010-2831 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
Unspecified vulnerability in the NAT for SIP 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 on UDP port 5060, aka Bug ID CSCtf17624.
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-2013-5527 1 Cisco 2 Ios, Ios Xe 2025-04-11 5.7 MEDIUM N/A
The OSPF functionality in Cisco IOS and IOS XE allows remote attackers to cause a denial of service (device reload) via crafted options in an LSA type 11 packet, aka Bug ID CSCui21030.