Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 608 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
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-2013-5469 1 Cisco 1 Ios 2025-04-11 7.1 HIGH N/A
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.
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-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-2010-1574 1 Cisco 2 Industrial Ethernet 3000, Ios 2025-04-11 10.0 HIGH N/A
IOS 12.2(52)SE and 12.2(52)SE1 on Cisco Industrial Ethernet (IE) 3000 series switches has (1) a community name of public for RO access and (2) a community name of private for RW access, which makes it easier for remote attackers to modify the configuration or obtain potentially sensitive information via SNMP requests, aka Bug ID CSCtf25589.
CVE-2012-0381 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH 7.5 HIGH
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.
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-2012-0338 1 Cisco 1 Ios 2025-04-11 5.0 MEDIUM N/A
Cisco IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish SSH connections from arbitrary source IP addresses via a standard SSH client, aka Bug ID CSCsv86113.
CVE-2012-3950 1 Cisco 1 Ios 2025-04-11 7.1 HIGH N/A
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.
CVE-2010-2835 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), 7.0 before 7.0(2a)su3, 7.1su before 7.1(3b)su2, 7.1 before 7.1(5), and 8.0 before 8.0(1) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a SIP REFER request with an invalid Refer-To header, aka Bug IDs CSCta20040 and CSCta31358.
CVE-2013-5477 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.
CVE-2013-5475 1 Cisco 2 Ios, Ios Xe 2025-04-11 7.8 HIGH N/A
Cisco IOS 12.2 through 12.4 and 15.0 through 15.3, and IOS XE 2.1 through 3.9, allows remote attackers to cause a denial of service (device reload) via crafted DHCP packets that are processed locally by a (1) server or (2) relay agent, aka Bug ID CSCug31561.
CVE-2010-2829 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 (traceback and device reload) via crafted H.323 packets, aka Bug ID CSCtd33567.
CVE-2013-1146 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
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.
CVE-2013-1144 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
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.
CVE-2013-5522 1 Cisco 2 Catalyst 3750-x, Ios 2025-04-11 6.8 MEDIUM N/A
Cisco IOS on Catalyst 3750X switches has default Service Module credentials, which makes it easier for local users to gain privileges via a Service Module login, aka Bug ID CSCue92286.
CVE-2011-3277 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) by sending crafted H.323 packets to TCP port 1720, aka Bug ID CSCth11006.
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-2012-1324 1 Cisco 1 Ios 2025-04-11 7.1 HIGH N/A
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.
CVE-2012-0339 1 Cisco 1 Ios 2025-04-11 5.0 MEDIUM N/A
Cisco IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish TELNET connections from arbitrary source IP addresses via a standard TELNET client, aka Bug ID CSCsi77774.