Vulnerabilities > Cisco > High

DATE CVE VULNERABILITY TITLE RISK
2011-10-22 CVE-2011-1640 Resource Exhaustion vulnerability in Cisco IOS
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.
network
low complexity
cisco CWE-400
7.5
2011-10-06 CVE-2011-3288 XML Entity Expansion vulnerability in Cisco Unified Presence
Cisco Unified Presence before 8.5(4) does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption, and process crash) via a crafted XML document containing a large number of nested entity references, aka Bug IDs CSCtq89842 and CSCtq88547, a similar issue to CVE-2003-1564.
network
low complexity
cisco CWE-776
7.5
2011-10-03 CVE-2011-3280 Resource Management Errors vulnerability in Cisco IOS and IOS XE
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.
network
low complexity
cisco CWE-399
7.5
2010-08-30 CVE-2010-3035 Unspecified vulnerability in Cisco IOS XR
Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.
network
low complexity
cisco
7.5
2008-12-09 CVE-2008-4390 Cleartext Transmission of Sensitive Information vulnerability in Cisco Linksys Wvc54Gc Firmware
The Cisco Linksys WVC54GC wireless video camera before firmware 1.25 sends cleartext configuration data in response to a Setup Wizard remote-management command, which allows remote attackers to obtain sensitive information such as passwords by sniffing the network.
network
low complexity
cisco CWE-319
7.5
2005-11-24 CVE-2005-3803 Use of Hard-coded Credentials vulnerability in Cisco Unified Wireless IP Phone 7920 Firmware 1.0(8)
Cisco IP Phone (VoIP) 7920 1.0(8) contains certain hard-coded ("fixed") public and private SNMP community strings that cannot be changed, which allows remote attackers to obtain sensitive information.
network
low complexity
cisco CWE-798
7.5
2005-07-11 CVE-2005-2181 Improper Verification of Cryptographic Signature vulnerability in Cisco IP Phone 7940 Firmware and IP Phone 7960 Firmware
Cisco 7940/7960 Voice over IP (VoIP) phones do not properly check the Call-ID, branch, and tag values in a NOTIFY message to verify a subscription, which allows remote attackers to spoof messages such as the "Messages waiting" message.
network
low complexity
cisco CWE-347
7.5
2004-11-23 CVE-2004-0079 NULL Pointer Dereference vulnerability in multiple products
The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.
7.5
2002-12-31 CVE-2002-1706 Improper Verification of Cryptographic Signature vulnerability in Cisco IOS
Cisco IOS software 11.3 through 12.2 running on Cisco uBR7200 and uBR7100 series Universal Broadband Routers allows remote attackers to modify Data Over Cable Service Interface Specification (DOCSIS) settings via a DOCSIS file without a Message Integrity Check (MIC) signature, which is approved by the router.
network
low complexity
cisco CWE-347
7.5