Home/CVE/Cisco Catalyst 2900 Virtual LAN (VLAN) switches allow remote attackers to inject 802.1q frames into another VLAN by forg
CVE

CVE-1999-1129

Cisco Catalyst 2900 Virtual LAN (VLAN) switches allow remote attackers to inject 802.1q frames into another VLAN by forg

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.

HIGH · CVSS 7.5 EPSS 0.00874
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

2
cisco iosall versions
cisco catalyst 2900 vlanall versions
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Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD01 Sep 1999 · 04:00 AM
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v8x/eescg8x/aleakyv.htmVendor Advisory
http://www.securityfocus.com/archive/1/26008PatchVendor Advisory
http://www.securityfocus.com/bid/615PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/3294
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