Vulnerabilities > Cisco > IOS > 12.1yb
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2011-01-07 | CVE-2010-4671 | Resource Exhaustion vulnerability in Cisco IOS The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS before 15.0(1)XA5 allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, as demonstrated by the flood_router6 program in the thc-ipv6 package, aka Bug ID CSCti33534. | 7.8 |
| 2010-09-23 | CVE-2010-2835 | Unspecified vulnerability in Cisco Ios, IOS XE 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) 6.x before 6.1(5), 7.0 before 7.0(2a)su3, 7.1su before 7.1(3b)su2, 7.1 before 7.1(5), and 8.0 before 8.0(1) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a SIP REFER request with an invalid Refer-To header, aka Bug IDs CSCta20040 and CSCta31358. | 7.8 |
| 2010-09-23 | CVE-2010-2834 | Unspecified vulnerability in Cisco Ios, IOS XE 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) 6.x before 6.1(5)SU1, 7.x before 7.1(5), and 8.0 before 8.0(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via crafted SIP registration traffic over UDP, aka Bug IDs CSCtf72678 and CSCtf14987. | 7.8 |
| 2010-09-23 | CVE-2010-2833 | Unspecified vulnerability in Cisco IOS and IOS XE Unspecified vulnerability in the NAT for H.225.0 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic, aka Bug ID CSCtd86472. | 7.8 |
| 2010-09-23 | CVE-2010-2832 | Unspecified vulnerability in Cisco IOS and IOS XE Unspecified vulnerability in the NAT for H.323 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic, aka Bug ID CSCtf91428. | 7.8 |
| 2010-09-23 | CVE-2010-2831 | Unspecified vulnerability in Cisco IOS and IOS XE Unspecified vulnerability in the NAT for SIP implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service (device reload) via transit traffic on UDP port 5060, aka Bug ID CSCtf17624. | 7.8 |
| 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. | 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. | 7.8 |
| 2010-03-25 | CVE-2010-0576 | Denial of Service vulnerability in Cisco IOS Multiprotocol Label Switching (MPLS) Malformed Packet Unspecified vulnerability in Cisco IOS 12.0 through 12.4, IOS XE 2.1.x through 2.3.x before 2.3.2, and IOS XR 3.2.x through 3.4.3, when Multiprotocol Label Switching (MPLS) and Label Distribution Protocol (LDP) are enabled, allows remote attackers to cause a denial of service (device reload or process restart) via a crafted LDP packet, aka Bug IDs CSCsz45567 and CSCsj25893. | 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 |