6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:S/C:N/I:N/A:C
6.6 Medium
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.9%
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.
osvdb.org/58333
tools.cisco.com/security/center/viewAlert.x?alertId=18893
www.cisco.com/en/US/products/products_applied_mitigation_bulletin09186a0080af8113.html
www.cisco.com/en/US/products/products_security_advisory09186a0080af8115.shtml
www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep09.html
www.securitytracker.com/id?1022930
www.vupen.com/english/advisories/2009/2759