Vulnerabilities > Cisco > IOS > High

DATE CVE VULNERABILITY TITLE RISK
2009-09-28 CVE-2009-2869 Unspecified vulnerability in Cisco IOS
Unspecified vulnerability in Cisco IOS 12.2XNA, 12.2XNB, 12.2XNC, 12.2XND, 12.4MD, 12.4T, 12.4XZ, and 12.4YA allows remote attackers to cause a denial of service (device reload) via a crafted NTPv4 packet, aka Bug IDs CSCsu24505 and CSCsv75948.
network
low complexity
cisco
7.8
2009-09-28 CVE-2009-2868 Unspecified vulnerability in Cisco IOS
Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.
network
low complexity
cisco
7.8
2009-09-28 CVE-2009-2867 Unspecified vulnerability in Cisco IOS
Unspecified vulnerability in Cisco IOS 12.2XNA, 12.2XNB, 12.2XNC, 12.2XND, 12.4T, 12.4XZ, and 12.4YA, when Zone-Based Policy Firewall SIP Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a crafted SIP transit packet, aka Bug ID CSCsr18691.
network
low complexity
cisco
7.8
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-2009-2865 Improper Restriction of Operations Within the Bounds of A Memory Buffer vulnerability in Cisco IOS and Unified Communications Manager Express
Buffer overflow in the login implementation in the Extension Mobility feature in the Unified Communications Manager Express (CME) component in Cisco IOS 12.4XW, 12.4XY, 12.4XZ, and 12.4YA allows remote attackers to execute arbitrary code or cause a denial of service via crafted HTTP requests, aka Bug ID CSCsq58779.
network
high complexity
cisco CWE-119
7.6
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
2009-07-30 CVE-2009-1168 Resource Management Errors vulnerability in Cisco IOS and IOS XE
Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (memory corruption and device reload) by using an RFC4271 peer to send an update with a long series of AS numbers, aka Bug ID CSCsy86021.
network
cisco CWE-399
7.1
2009-03-27 CVE-2009-0637 Permissions, Privileges, and Access Controls vulnerability in Cisco IOS
The SCP server in Cisco IOS 12.2 through 12.4, when Role-Based CLI Access is enabled, does not enforce the CLI view configuration for file transfers, which allows remote authenticated users with an attached CLI view to (1) read or (2) overwrite arbitrary files via an SCP command.
network
high complexity
cisco CWE-264
7.1
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