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Cisco » IOS : Security Vulnerabilities (CVSS score between 7 and 7.99)

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
101 CVE-2013-5469 119 DoS Overflow 2013-08-30 2017-08-29
7.1
None Remote Medium Not required None None Complete
The TCP implementation in Cisco IOS does not properly implement the transitions from the ESTABLISHED state to the CLOSED state, which allows remote attackers to cause a denial of service (flood of ACK packets) via a crafted series of ACK and FIN packets, aka Bug ID CSCtz14399.
102 CVE-2013-1148 119 DoS Overflow 2013-03-28 2013-03-29
7.8
None Remote Low Not required None None Complete
The General Responder implementation in the IP Service Level Agreement (SLA) feature in Cisco IOS 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 allows remote attackers to cause a denial of service (device reload) via crafted (1) IPv4 or (2) IPv6 IP SLA packets on UDP port 1167, aka Bug ID CSCuc72594.
103 CVE-2013-1147 119 DoS Overflow 2013-03-28 2013-04-02
7.8
None Remote Low Not required None None Complete
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.
104 CVE-2013-1146 119 DoS Overflow 2013-03-28 2013-03-29
7.8
None Remote Low Not required None None Complete
The Smart Install client functionality in Cisco IOS 12.2 and 15.0 through 15.3 on Catalyst switches allows remote attackers to cause a denial of service (device reload) via crafted image list parameters in Smart Install packets, aka Bug ID CSCub55790.
105 CVE-2013-1145 399 DoS 2013-03-28 2013-04-02
7.8
None Remote Low Not required None None Complete
Memory leak in Cisco IOS 12.2, 12.4, 15.0, and 15.1, when Zone-Based Policy Firewall SIP application layer gateway inspection is enabled, allows remote attackers to cause a denial of service (memory consumption or device reload) via malformed SIP messages, aka Bug ID CSCtl99174.
106 CVE-2013-1144 399 DoS 2013-03-28 2013-04-02
7.8
None Remote Low Not required None None Complete
Memory leak in the IKEv1 implementation in Cisco IOS 15.1 allows remote attackers to cause a denial of service (memory consumption) via unspecified (1) IPv4 or (2) IPv6 IKE packets, aka Bug ID CSCth81055.
107 CVE-2013-1143 119 DoS Overflow 2013-03-28 2013-03-29
7.1
None Remote Medium Not required None None Complete
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.
108 CVE-2013-1142 362 DoS 2013-03-28 2020-07-28
7.8
None Remote Low Not required None None Complete
Race condition in the VRF-aware NAT feature in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 allows remote attackers to cause a denial of service (memory consumption) via IPv4 packets, aka Bug IDs CSCtg47129 and CSCtz96745.
109 CVE-2012-4623 20 DoS 2012-09-27 2017-08-29
7.8
None Remote Low Not required None None Complete
The DHCPv6 server in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x, 3.1.xS before 3.1.4S, 3.1.xSG and 3.2.xSG before 3.2.5SG, 3.2.xS, 3.2.xXO, 3.3.xS, and 3.3.xSG before 3.3.1SG allows remote attackers to cause a denial of service (device reload) via a malformed DHCPv6 packet, aka Bug ID CSCto57723.
110 CVE-2012-4621 399 DoS 2012-09-27 2013-02-14
7.8
None Remote Low Not required None None Complete
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.
111 CVE-2012-4620 399 DoS 2012-09-27 2017-08-29
7.8
None Remote Low Not required None None Complete
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.
112 CVE-2012-4619 399 DoS 2012-09-27 2013-04-11
7.8
None Remote Low Not required None None Complete
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.
113 CVE-2012-4618 399 DoS 2012-09-27 2013-04-11
7.8
None Remote Low Not required None None Complete
The SIP ALG feature in 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 CSCtn76183.
114 CVE-2012-4617 20 DoS 2012-09-27 2013-02-14
7.1
None Remote Medium Not required None None Complete
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.
115 CVE-2012-3950 399 DoS 2012-09-27 2017-08-29
7.1
None Remote Medium Not required None None Complete
The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.
116 CVE-2012-3949 20 DoS 2012-09-27 2017-08-29
7.8
None Remote Low Not required None None Complete
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.
117 CVE-2012-3079 399 DoS 2012-09-16 2017-08-29
7.8
None Remote Low Not required None None Complete
Cisco IOS 12.2 allows remote attackers to cause a denial of service (CPU consumption) by establishing many IPv6 neighbors, aka Bug ID CSCtn78957.
118 CVE-2012-1324 362 DoS 2012-05-03 2017-12-07
7.1
None Remote Medium Not required None None Complete
Race condition in the Zone-Based Firewall in Cisco IOS 15.1 and 15.2, when IPS policies are configured, allows remote attackers to cause a denial of service (device crash) by sending IPv6 packets, aka Bug ID CSCtk53534.
119 CVE-2012-1315 399 DoS 2012-03-29 2017-12-13
7.8
None Remote Low Not required None None Complete
Memory leak in the SIP inspection feature in the Zone-Based Firewall in Cisco IOS 12.4, 15.0, 15.1, and 15.2 allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted transit SIP traffic, aka Bug ID CSCti46171.
120 CVE-2012-1314 399 DoS 2012-03-29 2017-12-29
7.8
None Remote Low Not required None None Complete
The WAAS Express feature in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted transit traffic, aka Bug ID CSCtt45381.
121 CVE-2012-1312 399 DoS 2012-03-29 2017-12-29
7.1
None Remote Medium Not required None None Complete
The MACE feature in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (device reload) via crafted transit traffic, aka Bug IDs CSCtq64987 and CSCtu57226.
122 CVE-2012-1311 399 DoS 2012-03-29 2017-12-29
7.8
None Remote Low Not required None None Complete
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.
123 CVE-2012-1310 399 DoS 2012-03-29 2017-12-13
7.8
None Remote Low Not required None None Complete
Memory leak in the Zone-Based Firewall in Cisco IOS 12.4, 15.0, 15.1, and 15.2 allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted IP packets, aka Bug ID CSCto89536.
124 CVE-2012-0388 399 DoS 2012-03-29 2017-12-13
7.8
None Remote Low Not required None None Complete
Memory leak in the H.323 inspection feature in the Zone-Based Firewall in Cisco IOS 12.4, 15.0, 15.1, and 15.2 allows remote attackers to cause a denial of service (memory consumption or device reload) via malformed transit H.323 traffic, aka Bug ID CSCtq45553.
125 CVE-2012-0387 399 DoS 2012-03-29 2017-12-13
7.8
None Remote Low Not required None None Complete
Memory leak in the HTTP Inspection Engine feature in the Zone-Based Firewall in Cisco IOS 12.4, 15.0, 15.1, and 15.2 allows remote attackers to cause a denial of service (memory consumption or device reload) via crafted transit HTTP traffic, aka Bug ID CSCtq36153.
126 CVE-2012-0386 310 DoS 2012-03-29 2017-12-13
7.8
None Remote Low Not required None None Complete
The SSHv2 implementation in Cisco IOS 12.2, 12.4, 15.0, 15.1, and 15.2 and IOS XE 2.3.x through 2.6.x and 3.1.xS through 3.4.xS before 3.4.2S allows remote attackers to cause a denial of service (device reload) via a crafted username in a reverse SSH login attempt, aka Bug ID CSCtr49064.
127 CVE-2012-0385 20 DoS 2012-03-29 2017-12-13
7.8
None Remote Low Not required None None Complete
The Smart Install feature in Cisco IOS 12.2, 15.0, 15.1, and 15.2 allows remote attackers to cause a denial of service (device reload) by sending a malformed Smart Install message over TCP, aka Bug ID CSCtt16051.
128 CVE-2012-0383 399 DoS 2012-03-29 2017-08-29
7.8
None Remote Low Not required None None Complete
Memory leak in the NAT feature in Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (memory consumption, and device hang or reload) via SIP packets that require translation, related to a "memory starvation vulnerability," aka Bug ID CSCti35326.
129 CVE-2012-0382 400 DoS 2012-03-29 2020-07-30
7.8
None Remote Low Not required None None Complete
The Multicast Source Discovery Protocol (MSDP) implementation in Cisco IOS 12.0, 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 through 3.4.xS before 3.4.1S and 3.1.xSG and 3.2.xSG before 3.2.2SG allows remote attackers to cause a denial of service (device reload) via encapsulated IGMP data in an MSDP packet, aka Bug ID CSCtr28857.
130 CVE-2012-0381 310 DoS 2012-03-29 2020-07-29
7.8
None Remote Low Not required None None Complete
The IKEv1 implementation in 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 through 3.4.xS before 3.4.2S, 3.5.xS before 3.5.1S, and 3.2.xSG before 3.2.2SG allows remote attackers to cause a denial of service (device reload) by sending IKE UDP packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCts38429.
131 CVE-2011-3282 DoS 2011-10-03 2012-05-14
7.8
None Remote Low Not required None None Complete
Unspecified vulnerability in Cisco IOS 12.2SRE before 12.2(33)SRE4, 15.0, and 15.1, and IOS XE 2.1.x through 3.3.x, when an MPLS domain is configured, allows remote attackers to cause a denial of service (device reload) via an ICMPv6 packet, related to an expired MPLS TTL, aka Bug ID CSCtj30155.
132 CVE-2011-3281 DoS 2011-10-03 2012-05-14
7.8
None Remote Low Not required None None Complete
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.
133 CVE-2011-3280 399 DoS 2011-10-03 2017-08-28
7.8
None Remote Low Not required None None Complete
Memory leak 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 (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672.
134 CVE-2011-3279 399 DoS 2011-10-03 2017-09-19
7.8
None Remote Low Not required None None Complete
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.
135 CVE-2011-3278 DoS 2011-10-03 2017-08-29
7.8
None Remote Low Not required None None Complete
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) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCti48483.
136 CVE-2011-3277 DoS 2011-10-03 2017-08-29
7.8
None Remote Low Not required None None Complete
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) by sending crafted H.323 packets to TCP port 1720, aka Bug ID CSCth11006.
137 CVE-2011-3276 DoS 2011-10-03 2012-05-14
7.8
None Remote Low Not required None None Complete
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.
138 CVE-2011-3275 399 DoS 2011-10-03 2012-05-14
7.8
None Remote Low Not required None None Complete
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.
139 CVE-2011-3273 399 DoS 2011-10-03 2012-05-14
7.8
None Remote Low Not required None None Complete
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.
140 CVE-2011-3272 399 DoS Mem. Corr. 2011-10-03 2011-10-21
7.8
None Remote Low Not required None None Complete
The IP Service Level Agreement (IP SLA) functionality in Cisco IOS 15.1, and IOS XE 2.1.x through 3.3.x, allows remote attackers to cause a denial of service (memory corruption and device reload) via malformed IP SLA packets, aka Bug ID CSCtk67073.
141 CVE-2011-2578 399 DoS 2012-05-02 2017-12-14
7.8
None Remote Low Not required None None Complete
Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.
142 CVE-2011-2072 399 DoS 2011-10-03 2011-11-03
7.8
None Remote Low Not required None None Complete
Memory leak in Cisco IOS 12.4, 15.0, and 15.1, Cisco IOS XE 2.5.x through 3.2.x, and Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su4, 8.x before 8.5(1)su2, and 8.6 before 8.6(1) allows remote attackers to cause a denial of service (memory consumption and device reload or process failure) via a malformed SIP message, aka Bug IDs CSCtl86047 and CSCto88686.
143 CVE-2011-2058 20 DoS 2011-10-22 2020-08-05
7.8
None Remote Low Not required None None Complete
The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service (traffic storm) via unspecified vectors that trigger many unicast EAPoL Protocol Data Units (PDUs), aka Bug ID CSCtq36336.
144 CVE-2011-1640 400 DoS 2011-10-22 2020-08-05
7.8
None Remote Low Not required None None Complete
The ethernet-lldp component in Cisco IOS 12.2 before 12.2(33)SXJ1 does not properly support a large number of LLDP Management Address (MA) TLVs, which allows remote attackers to cause a denial of service (device crash) via crafted LLDPDUs, aka Bug ID CSCtj22354.
145 CVE-2011-1624 399 DoS 2011-08-18 2012-03-15
7.8
None Remote Low Not required None None Complete
Cisco IOS 12.2(58)SE, when a login banner is configured, allows remote attackers to cause a denial of service (device reload) by establishing two SSH2 sessions, aka Bug ID CSCto62631.
146 CVE-2011-0946 399 DoS 2011-10-03 2012-05-14
7.8
None Remote Low Not required None None Complete
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.
147 CVE-2011-0945 399 DoS 2011-10-03 2012-05-14
7.8
None Remote Low Not required None None Complete
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.
148 CVE-2011-0944 399 DoS 2011-10-03 2012-05-18
7.8
None Remote Low Not required None None Complete
Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.
149 CVE-2011-0941 399 DoS 2011-11-01 2012-02-29
7.8
None Remote Low Not required None None Complete
Memory leak in Cisco Unified Communications Manager (CUCM) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1), and Cisco IOS 12.4 and 15.1, allows remote attackers to cause a denial of service (memory consumption and process failure or device reload) via a malformed SIP message, aka Bug IDs CSCti75128 and CSCtj09179.
150 CVE-2011-0939 DoS 2011-10-03 2012-05-18
7.8
None Remote Low Not required None None Complete
Unspecified vulnerability 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 (device reload) via a crafted SIP message, aka Bug ID CSCth03022.
Total number of vulnerabilities : 239   Page : 1 2 3 (This Page)4 5
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