Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 615 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2011-3273 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.
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-2011-3289 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-2010-2830 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.1 HIGH N/A
The IGMPv3 implementation in Cisco IOS 12.2, 12.3, 12.4, and 15.0 and IOS XE 2.5.x before 2.5.2, when PIM is enabled, allows remote attackers to cause a denial of service (device reload) via a malformed IGMP packet, aka Bug ID CSCte14603.
CVE-2012-1344 1 Cisco 1 Ios 2025-04-11 3.5 LOW N/A
Cisco IOS 15.1 and 15.2, when a clientless SSL VPN is configured, allows remote authenticated users to cause a denial of service (device reload) by using a web browser to refresh the SSL VPN portal page, as demonstrated by the Android browser, aka Bug ID CSCtr86328.
CVE-2011-4016 1 Cisco 1 Ios 2025-04-11 5.4 MEDIUM N/A
The PPP implementation in Cisco IOS 12.2 and 15.0 through 15.2, when Point-to-Point Termination and Aggregation (PTA) and L2TP are used, allows remote attackers to cause a denial of service (device crash) via crafted network traffic, aka Bug ID CSCtf71673.
CVE-2011-1625 1 Cisco 1 Ios 2025-04-11 5.4 MEDIUM N/A
Cisco IOS 12.2, 12.3, 12.4, 15.0, and 15.1, when the data-link switching (DLSw) feature is configured, allows remote attackers to cause a denial of service (device crash) by sending a sequence of malformed packets and leveraging a "narrow timing window," aka Bug ID CSCtf74999, a different vulnerability than CVE-2007-0199, CVE-2008-1152, and CVE-2009-0629.
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-2012-4620 1 Cisco 2 10008 Router, Ios 2025-04-11 7.8 HIGH N/A
Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE/IP, (2) IPIP, or (3) IPv6 in IPv4 packets, aka Bug ID CSCts66808.
CVE-2011-4231 1 Cisco 2 Ios, Ios Xe 2025-04-11 6.3 MEDIUM N/A
Cisco IOS 15.1 and 15.2 and IOS XE 3.x, when configured as an IPsec hub with X.509 certificates in use, allows remote authenticated users to cause a denial of service (segmentation fault and device crash) via unspecified vectors, aka Bug ID CSCtq61128.
CVE-2010-0578 1 Cisco 4 7200 Router, 7301 Router, Ios and 1 more 2025-04-11 7.8 HIGH N/A
The IKE implementation in Cisco IOS 12.2 through 12.4 on Cisco 7200 and 7301 routers with VAM2+ allows remote attackers to cause a denial of service (device reload) via a malformed IKE packet, aka Bug ID CSCtb13491.
CVE-2012-4621 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
The Device Sensor feature in Cisco IOS 15.0 through 15.2 allows remote attackers to cause a denial of service (device reload) via a DHCP packet, aka Bug ID CSCty96049.
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.
CVE-2013-5548 1 Cisco 1 Ios 2025-04-11 4.3 MEDIUM N/A
The IKEv2 implementation in Cisco IOS, when AES-GCM or AES-GMAC is used, allows remote attackers to bypass certain IPsec anti-replay features via IPsec tunnel traffic, aka Bug ID CSCuj47795.
CVE-2011-2395 1 Cisco 1 Ios 2025-04-11 5.0 MEDIUM N/A
The Neighbor Discovery (ND) protocol implementation in Cisco IOS on unspecified switches allows remote attackers to bypass the Router Advertisement Guarding functionality via a fragmented IPv6 packet in which the Router Advertisement (RA) message is contained in the second fragment, as demonstrated by (1) a packet in which the first fragment contains a long Destination Options extension header or (2) a packet in which the first fragment contains an ICMPv6 Echo Request message.
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-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-2011-4019 1 Cisco 2 Ios, Unified Communications Manager 2025-04-11 5.4 MEDIUM N/A
Memory leak in Cisco IOS 12.4 and 15.0 through 15.2, and Cisco Unified Communications Manager (CUCM) 7.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted response to a SIP SUBSCRIBE message, aka Bug IDs CSCto93837 and CSCtj61883.
CVE-2010-2836 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
Memory leak in the SSL VPN feature in Cisco IOS 12.4, 15.0, and 15.1, when HTTP port redirection is enabled, allows remote attackers to cause a denial of service (memory consumption) by improperly disconnecting SSL sessions, leading to connections that remain in the CLOSE-WAIT state, aka Bug ID CSCtg21685.
CVE-2013-5476 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
The Zone-Based Firewall (ZFW) feature in Cisco IOS 15.1 through 15.2, when content filtering or HTTP ALG inspection is enabled, allows remote attackers to cause a denial of service (device reload or hang) via crafted IPv4 HTTP traffic, aka Bug ID CSCtx56174.