CVE-1999-1129 describes a vulnerability in Cisco Catalyst 2900 VLAN switches and Cisco IOS, allowing remote attackers to inject 802.1q frames into unintended VLANs by forging the VLAN identifier. This high-severity vulnerability (CVSS 7.5) has a low attack complexity and can lead to partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this older CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.2\(8\)sa5CPE matchmatch criteria | cpe:2.3:o:cisco:ios:11.2\(8\)sa5:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:h:cisco:catalyst_2900_vlan:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.