CVE-1999-1129
CVSS 7.5 - HIGH
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.
Affected Products
2| Vendor | Product | Version |
|---|---|---|
| cisco | ios |
11.2\(8\)sa5
|
| cisco | catalyst_2900_vlan |
All versions
|
References
Weakness Types
NVD-CWE-Other
CVE Information
- CVE ID:
CVE-1999-1129- Published:
- 1999-09-01
- Modified:
- 2026-04-16
- CVSS Score:
- 7.5
- Severity:
- HIGH
- Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
Affected Vendors
cisco
Quick Actions
CVSS Severity Scale
0.0 - 3.9
LOW
4.0 - 6.9
MEDIUM
7.0 - 8.9
HIGH
9.0 - 10.0
CRITICAL