Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 619 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2011-0349 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 CSCth17178, a different vulnerability than CVE-2011-0350.
CVE-2012-1312 1 Cisco 1 Ios 2025-04-11 7.1 HIGH N/A
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.
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-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-2012-1327 1 Cisco 1 Ios 2025-04-11 6.1 MEDIUM N/A
dot11t/t_if_dot11_hal_ath.c in Cisco IOS 12.3, 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (assertion failure and reboot) via 802.11 wireless traffic, as demonstrated by a video call from Apple iOS 5.0 on an iPhone 4S, aka Bug ID CSCtt94391.
CVE-2012-3895 1 Cisco 1 Ios 2025-04-11 6.3 MEDIUM N/A
Cisco IOS 15.0 through 15.3 allows remote authenticated users to cause a denial of service (device crash) via an MVPNv6 update, aka Bug ID CSCty89224.
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-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-2011-2058 1 Cisco 1 Ios 2025-04-11 7.8 HIGH 7.5 HIGH
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.
CVE-2012-3893 1 Cisco 1 Ios 2025-04-11 6.3 MEDIUM N/A
The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.
CVE-2011-2586 1 Cisco 1 Ios 2025-04-11 5.4 MEDIUM N/A
The HTTP client in Cisco IOS 12.4 and 15.0 allows user-assisted remote attackers to cause a denial of service (device crash) via a malformed HTTP response to a request for service installation, aka Bug ID CSCts12249.
CVE-2012-1338 1 Cisco 9 Catalyst 3560, Catalyst 3560-e, Catalyst 3560-x and 6 more 2025-04-11 6.3 MEDIUM N/A
Cisco IOS 15.0 and 15.1 on Catalyst 3560 and 3750 series switches allows remote authenticated users to cause a denial of service (device reload) by completing local web authentication quickly, aka Bug ID CSCts88664.
CVE-2013-5479 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
The DNS-over-TCP implementation in Cisco IOS 12.2 and 15.0 through 15.3, when NAT is used, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 DNS TCP stream, aka Bug ID CSCtn53730.
CVE-2013-5553 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
Multiple memory leaks in Cisco IOS 15.1 before 15.1(4)M7 allow remote attackers to cause a denial of service (memory consumption or device reload) by sending a crafted SIP message over (1) IPv4 or (2) IPv6, aka Bug IDs CSCuc42558 and CSCug25383.
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-2011-0935 1 Cisco 1 Ios 2025-04-11 10.0 HIGH N/A
The PKI functionality in Cisco IOS 15.0 and 15.1 does not prevent permanent caching of certain public keys, which allows remote attackers to bypass authentication and have unspecified other impact by leveraging an IKE peer relationship in which a key was previously valid but later revoked, aka Bug ID CSCth82164, a different vulnerability than CVE-2010-4685.
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-2012-1315 1 Cisco 1 Ios 2025-04-11 7.8 HIGH N/A
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.
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-2011-0945 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.