CVE-2012-4623

Cisco IOS 12.2-15.2 & IOS XE 2.1.x-3.3.xSG DoS via Malformed DHCPv6 Packet

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/78885
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1027577
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/55700
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/85810

Scores

EPSS 0.0277
EPSS Percentile 84.7%

Details

CWE
CWE-20
Status published
Products (50)
cisco/ios 12.3
cisco/ios 12.3\(1a\)
cisco/ios 12.3\(2\)ja
cisco/ios 12.3\(2\)ja5
cisco/ios 12.3\(2\)jk
cisco/ios 12.3\(2\)jk1
cisco/ios 12.3\(2\)t3
cisco/ios 12.3\(2\)t8
cisco/ios 12.3\(2\)xa4
cisco/ios 12.3\(2\)xa5
... and 40 more
Published Sep 27, 2012
Tracked Since Feb 18, 2026