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CVE-2012-4623

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…

Impact

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.

Affected products

VendorProductAffected versions
CiscoIos Xe
Versions 2.1, 2.1.0, 2.1.1, 2.1.2, 2.2, 2.2.1
CiscoIos
Versions 12.3, 12.3\(1a\), 12.3\(2\)ja, 12.3\(2\)ja5, 12.3\(2\)jk, 12.3\(2\)jk1

Weakness classification

CWE-20

References