CVE-1999-1129

N/A Unknown
Published: September 01, 1999 Modified: April 16, 2026
View on NVD

Description

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v8x/eescg8x/aleakyv.htm
Source: cve@mitre.org
Vendor Advisory
http://www.securityfocus.com/archive/1/26008
Source: cve@mitre.org
Patch Vendor Advisory
http://www.securityfocus.com/bid/615
Source: cve@mitre.org
Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/3294
Source: cve@mitre.org
http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v8x/eescg8x/aleakyv.htm
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/archive/1/26008
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://www.securityfocus.com/bid/615
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/3294
Source: af854a3a-2127-422b-91ae-364da2661108

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.9%
75th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

cisco