Vulnerability Monitor

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CVE-2006-0340

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.

Security Impact Summary

CVE-2006-0340 is a security vulnerability that . Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2006, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2006-01-21T00:03:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

6.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios	12.0	Yes
Operating System	cisco	ios	12.0s	Yes
Operating System	cisco	ios	12.0sc	Yes
Operating System	cisco	ios	12.0t	Yes
Operating System	cisco	ios	12.0xa	Yes
Operating System	cisco	ios	12.0xc	Yes
Operating System	cisco	ios	12.0xd	Yes
Operating System	cisco	ios	12.0xe	Yes
Operating System	cisco	ios	12.0xg	Yes
Operating System	cisco	ios	12.0xh	Yes
Operating System	cisco	ios	12.0xi	Yes
Operating System	cisco	ios	12.0xj	Yes
Operating System	cisco	ios	12.0xk	Yes
Operating System	cisco	ios	12.0xl	Yes
Operating System	cisco	ios	12.0xn	Yes
Operating System	cisco	ios	12.0xr	Yes
Operating System	cisco	ios	12.1	Yes
Operating System	cisco	ios	12.1aa	Yes
Operating System	cisco	ios	12.1e	Yes
Operating System	cisco	ios	12.1ec	Yes
Operating System	cisco	ios	12.1ex	Yes
Operating System	cisco	ios	12.1ez	Yes
Operating System	cisco	ios	12.1ga	Yes
Operating System	cisco	ios	12.1gb	Yes
Operating System	cisco	ios	12.1t	Yes
Operating System	cisco	ios	12.1xa	Yes
Operating System	cisco	ios	12.1xd	Yes
Operating System	cisco	ios	12.1xh	Yes
Operating System	cisco	ios	12.1xi	Yes
Operating System	cisco	ios	12.1xl	Yes
Operating System	cisco	ios	12.1xm	Yes
Operating System	cisco	ios	12.1xq	Yes
Operating System	cisco	ios	12.1xs	Yes
Operating System	cisco	ios	12.1xu	Yes
Operating System	cisco	ios	12.1xw	Yes
Operating System	cisco	ios	12.1xx	Yes
Operating System	cisco	ios	12.1xy	Yes
Operating System	cisco	ios	12.1xz	Yes
Operating System	cisco	ios	12.1ya	Yes
Operating System	cisco	ios	12.1yb	Yes
Operating System	cisco	ios	12.1yd	Yes
Operating System	cisco	ios	12.2	Yes
Operating System	cisco	ios	12.2b	Yes
Operating System	cisco	ios	12.2bc	Yes
Operating System	cisco	ios	12.2bw	Yes
Operating System	cisco	ios	12.2by	Yes
Operating System	cisco	ios	12.2cx	Yes
Operating System	cisco	ios	12.2dd	Yes
Operating System	cisco	ios	12.2dx	Yes
Operating System	cisco	ios	12.2mc	Yes
Operating System	cisco	ios	12.2s	Yes
Operating System	cisco	ios	12.2su	Yes
Operating System	cisco	ios	12.2sy	Yes
Operating System	cisco	ios	12.2sz	Yes
Operating System	cisco	ios	12.2t	Yes
Operating System	cisco	ios	12.2xa	Yes
Operating System	cisco	ios	12.2xb	Yes
Operating System	cisco	ios	12.2xc	Yes
Operating System	cisco	ios	12.2xf	Yes
Operating System	cisco	ios	12.2xg	Yes
Operating System	cisco	ios	12.2xk	Yes
Operating System	cisco	ios	12.2xl	Yes
Operating System	cisco	ios	12.2xs	Yes
Operating System	cisco	ios	12.2xt	Yes
Operating System	cisco	ios	12.2xv	Yes
Operating System	cisco	ios	12.2yd	Yes
Operating System	cisco	ios	12.2ye	Yes
Operating System	cisco	ios	12.2yn	Yes
Operating System	cisco	ios	12.2yt	Yes
Operating System	cisco	ios	12.2yw	Yes
Operating System	cisco	ios	12.2yx	Yes
Operating System	cisco	ios	12.2yy	Yes
Operating System	cisco	ios	12.2yz	Yes
Operating System	cisco	ios	12.2za	Yes
Operating System	cisco	ios	12.2zb	Yes
Operating System	cisco	ios	12.2zd	Yes
Operating System	cisco	ios	12.2ze	Yes
Operating System	cisco	ios	12.2zj	Yes
Operating System	cisco	ios	12.2zn	Yes
Operating System	cisco	ios	12.3	Yes
Operating System	cisco	ios	12.3b	Yes
Operating System	cisco	ios	12.3bc	Yes
Operating System	cisco	ios	12.3bw	Yes
Operating System	cisco	ios	12.3t	Yes
Operating System	cisco	ios	12.3xb	Yes
Operating System	cisco	ios	12.3xd	Yes
Operating System	cisco	ios	12.3xf	Yes
Operating System	cisco	ios	12.3xh	Yes
Operating System	cisco	ios	12.3xi	Yes
Operating System	cisco	ios	12.3xj	Yes
Operating System	cisco	ios	12.3xm	Yes
Operating System	cisco	ios	12.3xq	Yes
Operating System	cisco	ios	12.3xu	Yes
Operating System	cisco	ios	12.3xw	Yes
Operating System	cisco	ios	12.3yf	Yes
Operating System	cisco	ios	12.3yg	Yes
Operating System	cisco	ios	12.3yj	Yes
Operating System	cisco	ios	12.3yk	Yes
Operating System	cisco	ios	12.3ym	Yes
Operating System	cisco	ios	12.3yq	Yes
Operating System	cisco	ios	12.3yt	Yes
Operating System	cisco	ios	12.3yu	Yes
Operating System	cisco	ios	12.3yx	Yes
Operating System	cisco	ios	12.4	Yes
Operating System	cisco	ios	12.4mr	Yes
Operating System	cisco	ios	12.4t	Yes
Operating System	cisco	ios	12.4xa	Yes
Operating System	cisco	ios	12.4xb	Yes

References

http://secunia.com/advisories/18490 Patch, Vendor Advisory ([email protected])
http://securityreason.com/securityalert/358 ([email protected])
http://securitytracker.com/id?1015501 Patch ([email protected])
http://www.cisco.com/warp/public/707/cisco-sa-20060118-sgbp.shtml Vendor Advisory ([email protected])
http://www.osvdb.org/22624 ([email protected])
http://www.securityfocus.com/bid/16303 ([email protected])
http://www.vupen.com/english/advisories/2006/0248 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/24182 ([email protected])
http://secunia.com/advisories/18490 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/358 (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1015501 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.cisco.com/warp/public/707/cisco-sa-20060118-sgbp.shtml Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/22624 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/16303 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2006/0248 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/24182 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.