Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 598 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
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.
CVE-2013-6693 1 Cisco 2 7600 Router, Ios 2025-04-11 5.4 MEDIUM N/A
The MLDP implementation in Cisco IOS 15.3(3)S and earlier on 7600 routers, when many VRFs are configured, allows remote attackers to cause a denial of service (chunk corruption and device reload) by establishing many multicast flows, aka Bug ID CSCue22345.
CVE-2013-3436 1 Cisco 1 Ios 2025-04-11 5.0 MEDIUM N/A
The default configuration of the Group Encrypted Transport VPN (GET VPN) feature on Cisco IOS uses an improper mechanism for enabling Group Domain of Interpretation (GDOI) traffic flow, which allows remote attackers to bypass the encryption policy via certain uses of UDP port 848, aka Bug ID CSCui07698.
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-2011-0944 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
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.
CVE-2010-0583 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
Memory leak in the H.323 implementation in Cisco IOS 12.1 through 12.4, and 15.0M before 15.0(1)M1, allows remote attackers to cause a denial of service (memory consumption and device reload) via malformed H.323 packets, aka Bug ID CSCtb93855.
CVE-2010-4685 1 Cisco 1 Ios 2025-04-11 4.0 MEDIUM N/A
Cisco IOS before 15.0(1)XA1 does not clear the public key cache upon a change to a certificate map, which allows remote authenticated users to bypass a certificate ban by connecting with a banned certificate that had previously been valid, aka Bug ID CSCta79031.
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-2013-5552 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-2013-1147 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-2013-5499 1 Cisco 1 Ios 2025-04-11 5.7 MEDIUM N/A
The remember feature in the DHCP server in Cisco IOS allows remote attackers to cause a denial of service (device reload) by acquiring a lease and then sending a DHCPRELEASE message, aka Bug ID CSCuh46822.