CVE-2006-0340

Severity: high (CVSS 7.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-01-21 · updated 2026-06-16
Weakness: CWE-20

Description

Unspecified vulnerability in Stack Group Bidding Protocol (SGBP) support in Cisco IOS 12.0 through 12.4 running on various Cisco products, when SGBP is enabled, allows remote attackers on the local network to cause a denial of service (device hang and network traffic loss) via a crafted UDP packet to port 9900.

Affected products

Cisco IOS: 12.0, 12.0s, 12.0sc, 12.0t, 12.0xa, 12.0xc (+102)

References

http://secunia.com/advisories/18490
http://securityreason.com/securityalert/358
http://securitytracker.com/id?1015501
http://www.cisco.com/warp/public/707/cisco-sa-20060118-sgbp.shtml
http://www.osvdb.org/22624
http://www.securityfocus.com/bid/16303
http://www.vupen.com/english/advisories/2006/0248
https://exchange.xforce.ibmcloud.com/vulnerabilities/24182
http://secunia.com/advisories/18490
http://securityreason.com/securityalert/358
http://securitytracker.com/id?1015501
http://www.cisco.com/warp/public/707/cisco-sa-20060118-sgbp.shtml

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