CVE-2012-4623

HighCVSS 7.8/10Last modified Jun 16, 2026

Description

The DHCPv6 server in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x, 3.1.xS before 3.1.4S, 3.1.xSG and 3.2.xSG before 3.2.5SG, 3.2.xS, 3.2.xXO, 3.3.xS, and 3.3.xSG before 3.3.1SG allows remote attackers to cause a denial of service (device reload) via a malformed DHCPv6 packet, aka Bug ID CSCto57723.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Sep 27, 2012
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2012

CVE-2012-46297.8The Cisco ASA-CX Context-Aware Security module before 9.0.2-103 for Adaptive Security Appliances (ASA) devices, and Prime Security Manager (CVE-2012-46384.9Cisco IOS before 15.1(1)SY allows local users to cause a denial of service (device reload) by establishing an outbound SSH session, aka Bug CVE-2012-46437.1The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 CVE-2012-46514.3Cisco IOS before 15.3(2)T, when scansafe is enabled, allows remote attackers to cause a denial of service (latency) via SYN packets that are CVE-2012-46559.3The WebLaunch feature in Cisco Secure Desktop before 3.6.6020 does not properly validate binaries that are received by the downloader proces CVE-2012-46585.0The ios-authproxy implementation in Cisco IOS before 15.1(1)SY3 allows remote attackers to cause a denial of service (webauth and HTTP servi CVE-2012-46597.1The AAA functionality in the IPv4 SSL VPN implementations on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Servi CVE-2012-46607.8The SIP inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Cata CVE-2012-46619.0Stack-based buffer overflow in the DCERPC inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Ser CVE-2012-46627.1The DCERPC inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco C CVE-2012-46637.1The DCERPC inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco C CVE-2012-46674.3Multiple cross-site scripting (XSS) vulnerabilities in SquidClamav 5.x before 5.8 allow remote attackers to inject arbitrary web script or H