Vulnerabilities (CVE)

Filtered by vendor Cisco Subscribe
Filtered by product Ios
Total 598 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2008-1447 6 Canonical, Cisco, Debian and 3 more 8 Ubuntu Linux, Ios, Debian Linux and 5 more 2025-04-09 5.0 MEDIUM 6.8 MEDIUM
The DNS protocol, as implemented in (1) BIND 8 and 9 before 9.5.0-P1, 9.4.2-P1, and 9.3.5-P1; (2) Microsoft DNS in Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP1 and SP2; and other implementations allow remote attackers to spoof DNS traffic via a birthday attack that uses in-bailiwick referrals to conduct cache poisoning against recursive resolvers, related to insufficient randomness of DNS transaction IDs and source ports, aka "DNS Insufficient Socket Entropy Vulnerability" or "the Kaminsky bug."
CVE-2007-2688 1 Cisco 2 Ios, Ips Sensor Software 2025-04-09 7.8 HIGH N/A
The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.
CVE-2007-0199 1 Cisco 1 Ios 2025-04-09 5.0 MEDIUM N/A
The Data-link Switching (DLSw) feature in Cisco IOS 11.0 through 12.4 allows remote attackers to cause a denial of service (device reload) via "an invalid value in a DLSw message... during the capabilities exchange."
CVE-2009-2867 1 Cisco 1 Ios 2025-04-09 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 12.2XNA, 12.2XNB, 12.2XNC, 12.2XND, 12.4T, 12.4XZ, and 12.4YA, when Zone-Based Policy Firewall SIP Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a crafted SIP transit packet, aka Bug ID CSCsr18691.
CVE-2009-0630 1 Cisco 1 Ios 2025-04-09 7.1 HIGH N/A
The (1) Cisco Unified Communications Manager Express; (2) SIP Gateway Signaling Support Over Transport Layer Security (TLS) Transport; (3) Secure Signaling and Media Encryption; (4) Blocks Extensible Exchange Protocol (BEEP); (5) Network Admission Control HTTP Authentication Proxy; (6) Per-user URL Redirect for EAPoUDP, Dot1x, and MAC Authentication Bypass; (7) Distributed Director with HTTP Redirects; and (8) TCP DNS features in Cisco IOS 12.0 through 12.4 do not properly handle IP sockets, which allows remote attackers to cause a denial of service (outage or resource consumption) via a series of crafted TCP packets.
CVE-2009-1168 1 Cisco 2 Ios, Ios Xe 2025-04-09 7.1 HIGH N/A
Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (memory corruption and device reload) by using an RFC4271 peer to send an update with a long series of AS numbers, aka Bug ID CSCsy86021.
CVE-2009-2872 1 Cisco 1 Ios 2025-04-09 6.8 MEDIUM N/A
Cisco IOS 12.0 through 12.4, when IP-based tunnels and the Cisco Express Forwarding feature are enabled, allows remote attackers to cause a denial of service (device reload) via a malformed packet that is not properly handled during switching from one tunnel to a second tunnel, aka Bug IDs CSCsh97579 and CSCsq31776.
CVE-2007-4294 1 Cisco 2 Ios, Unified Communications Manager 2025-04-09 6.8 MEDIUM N/A
Unspecified vulnerability in Cisco Unified Communications Manager (CUCM) 5.0, 5.1, and 6.0, and IOS 12.0 through 12.4, allows remote attackers to execute arbitrary code via a malformed SIP packet, aka CSCsi80102.
CVE-2008-2739 1 Cisco 1 Ios 2025-04-09 7.8 HIGH N/A
The SERVICE.DNS signature engine in the Intrusion Prevention System (IPS) in Cisco IOS 12.3 and 12.4 allows remote attackers to cause a denial of service (device crash or hang) via network traffic that triggers unspecified IPS signatures, a different vulnerability than CVE-2008-1447.
CVE-2008-3799 1 Cisco 1 Ios 2025-04-09 7.8 HIGH N/A
Memory leak in the Session Initiation Protocol (SIP) implementation in Cisco IOS 12.2 through 12.4, when VoIP is configured, allows remote attackers to cause a denial of service (memory consumption and voice-service outage) via unspecified valid SIP messages.
CVE-2007-5549 1 Cisco 1 Ios 2025-04-09 2.1 LOW N/A
Unspecified vulnerability in Command EXEC in Cisco IOS allows local users to bypass command restrictions and obtain sensitive information via an unspecified "variation of an IOS command" involving "two different methods", aka CSCsk16129. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
CVE-2008-3807 1 Cisco 1 Ios 2025-04-09 9.3 HIGH N/A
Cisco IOS 12.2 and 12.3 on Cisco uBR10012 series devices, when linecard redundancy is configured, enables a read/write SNMP service with "private" as the community, which allows remote attackers to obtain administrative access by guessing this community and sending SNMP requests.
CVE-2009-0635 1 Cisco 1 Ios 2025-04-09 7.1 HIGH N/A
Memory leak in the Cisco Tunneling Control Protocol (cTCP) encapsulation feature in Cisco IOS 12.4, when an Easy VPN (aka EZVPN) server is enabled, allows remote attackers to cause a denial of service (memory consumption and device crash) via a sequence of TCP packets.
CVE-2007-2587 1 Cisco 1 Ios 2025-04-09 6.3 MEDIUM N/A
The IOS FTP Server in Cisco IOS 11.3 through 12.4 allows remote authenticated users to cause a denial of service (IOS reload) via unspecified vectors involving transferring files (aka bug ID CSCse29244).
CVE-2007-1258 1 Cisco 4 Catalyst 6000, Catalyst 6500, Catalyst 7600 and 1 more 2025-04-09 6.1 MEDIUM N/A
Unspecified vulnerability in Cisco IOS 12.2SXA, SXB, SXD, and SXF; and the MSFC2, MSFC2a and MSFC3 running in Hybrid Mode on Cisco Catalyst 6000, 6500 and Cisco 7600 series systems; allows remote attackers on a local network segment to cause a denial of service (software reload) via a certain MPLS packet.
CVE-2008-1153 1 Cisco 2 Cisco Ios, Ios 2025-04-09 7.1 HIGH N/A
Cisco IOS 12.1, 12.2, 12.3, and 12.4, with IPv4 UDP services and the IPv6 protocol enabled, allows remote attackers to cause a denial of service (device crash and possible blocked interface) via a crafted IPv6 packet to the device.
CVE-2008-3813 1 Cisco 1 Ios 2025-04-09 7.8 HIGH N/A
Unspecified vulnerability in Cisco IOS 12.2 and 12.4, when the L2TP mgmt daemon process is enabled, allows remote attackers to cause a denial of service (device reload) via a crafted L2TP packet.
CVE-2008-3821 1 Cisco 1 Ios 2025-04-09 4.3 MEDIUM N/A
Multiple cross-site scripting (XSS) vulnerabilities in the HTTP server in Cisco IOS 11.0 through 12.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the ping program or (2) unspecified other aspects of the URI.
CVE-2007-4263 1 Cisco 1 Ios 2025-04-09 8.5 HIGH N/A
Unspecified vulnerability in the server side of the Secure Copy (SCP) implementation in Cisco 12.2-based IOS allows remote authenticated users to read, write or overwrite any file on the device's filesystem via unknown vectors.
CVE-2007-4286 1 Cisco 1 Ios 2025-04-09 9.3 HIGH N/A
Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service (restart) and execute arbitrary code via a crafted NHRP packet.