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NVD Vulnerability Details :
CVE-1999-1129
Modified
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-01 Sep, 1999 | 04:00
Updated At-16 Apr, 2026 | 00:27

Cisco Catalyst 2900 Virtual LAN (VLAN) switches allow remote attackers to inject 802.1q frames into another VLAN by forging the VLAN identifier in the trunking tag.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary2.07.5HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 2.0
Base score: 7.5
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CPE Matches
Cisco Systems, Inc.
cisco
>>ios>>11.2\(8\)sa5
cpe:2.3:o:cisco:ios:11.2\(8\)sa5:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>catalyst_2900_vlan>>*
cpe:2.3:h:cisco:catalyst_2900_vlan:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-OtherPrimarynvd@nist.gov
CWE ID: NVD-CWE-Other
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v8x/eescg8x/aleakyv.htmcve@mitre.org
Vendor Advisory
http://www.securityfocus.com/archive/1/26008cve@mitre.org
Patch
Vendor Advisory
http://www.securityfocus.com/bid/615cve@mitre.org
Patch
Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/3294cve@mitre.org
N/A
http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v8x/eescg8x/aleakyv.htmaf854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/archive/1/26008af854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
http://www.securityfocus.com/bid/615af854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/3294af854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v8x/eescg8x/aleakyv.htm
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: http://www.securityfocus.com/archive/1/26008
Source: cve@mitre.org
Resource:
Patch
Vendor Advisory
Hyperlink: http://www.securityfocus.com/bid/615
Source: cve@mitre.org
Resource:
Patch
Vendor Advisory
Hyperlink: https://exchange.xforce.ibmcloud.com/vulnerabilities/3294
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v8x/eescg8x/aleakyv.htm
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Hyperlink: http://www.securityfocus.com/archive/1/26008
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Hyperlink: http://www.securityfocus.com/bid/615
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Hyperlink: https://exchange.xforce.ibmcloud.com/vulnerabilities/3294
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Change History
0Changes found
Details not found