7.1 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
6.9 Medium
AI Score
Confidence
High
0.021 Low
EPSS
Percentile
89.1%
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.
secunia.com/advisories/34438
securitytracker.com/id?1021897
www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
www.cisco.com/en/US/products/products_security_advisory09186a0080a904c6.shtml
www.securityfocus.com/bid/34242
www.vupen.com/english/advisories/2009/0851
exchange.xforce.ibmcloud.com/vulnerabilities/49418