CVE-2012-4620
Cisco IOS 12.2/15.0-15.2 DoS via Tunneled GRE/IP, IPIP, or IPv6 in IPv4
Title source: llmDescription
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.
References (4)
Core 4
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-c10k-tunnels
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id?1027578
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/78883
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/55696
Scores
EPSS
0.0275
EPSS Percentile
84.7%
Details
CWE
CWE-399
Status
published
Products (6)
cisco/10008_router
cisco/ios
12.2
cisco/ios
15.0
cisco/ios
15.0\(1\)se
cisco/ios
15.1
cisco/ios
15.2
Published
Sep 27, 2012
Tracked Since
Feb 18, 2026