Vulnerabilities > Cisco > IOS > 12.3va

DATE CVE VULNERABILITY TITLE RISK
2010-09-23 CVE-2010-2829 H.323 Unspecified Denial of Service vulnerability in Cisco IOS XE
Unspecified vulnerability in the H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 2.5.x before 2.5.2 and 2.6.x before 2.6.1, allows remote attackers to cause a denial of service (traceback and device reload) via crafted H.323 packets, aka Bug ID CSCtd33567.
network
low complexity
cisco
7.8
2010-09-23 CVE-2010-2828 H.323 Unspecified Denial of Service vulnerability in Cisco IOS XE
Unspecified vulnerability in the H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 2.5.x before 2.5.2 and 2.6.x before 2.6.1, allows remote attackers to cause a denial of service (device reload) via crafted H.323 packets, aka Bug ID CSCtc73759.
network
low complexity
cisco
7.8
2009-09-28 CVE-2009-2873 Unspecified vulnerability in Cisco IOS
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 malformed packets, aka Bug ID CSCsx70889.
network
cisco
7.1
2009-09-28 CVE-2009-2872 Unspecified vulnerability in Cisco IOS
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.
network
low complexity
cisco
6.8
2009-09-28 CVE-2009-2866 Denial of Service vulnerability in Cisco IOS H.323
Unspecified vulnerability in Cisco IOS 12.2 through 12.4 allows remote attackers to cause a denial of service (device reload) via a crafted H.323 packet, aka Bug ID CSCsz38104.
network
low complexity
cisco
7.8
2009-09-28 CVE-2009-2863 Improper Authentication vulnerability in Cisco IOS
Race condition in the Firewall Authentication Proxy feature in Cisco IOS 12.0 through 12.4 allows remote attackers to bypass authentication, or bypass the consent web page, via a crafted request, aka Bug ID CSCsy15227.
network
cisco CWE-287
7.1
2009-08-27 CVE-2009-2051 Unspecified vulnerability in Cisco IOS and Unified Communications Manager
Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.
network
low complexity
cisco
7.8
2009-03-27 CVE-2009-0636 Denial of Service vulnerability in Cisco IOS Session Initiation Protocol
Unspecified vulnerability in Cisco IOS 12.0 through 12.4, when SIP voice services are enabled, allows remote attackers to cause a denial of service (device crash) via a valid SIP message.
network
low complexity
cisco
7.8
2009-03-27 CVE-2009-0630 Features IP Sockets Denial Of Service vulnerability in Cisco IOS
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.
network
cisco
7.1
2009-03-27 CVE-2009-0626 Resource Management Errors vulnerability in Cisco IOS
The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTPS packet.
network
low complexity
cisco CWE-399
7.8