Vulnerability Intelligence Report
CVE-2006-4775
The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incremented to 0x80000000 and is interpreted as a negative number in a signed context.
No Active Exploit Signals
CVSS Base Score
7.8
HIGH
EPSS Probability:4.75%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| cisco | ios | 12.1\(19\) |
| cisco | catos | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
4.752%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2006-09-13T00:00:00 |
| Published | 2006-09-14T00:00:00 |
| Patch Date | 2006-09-13 |
| Last Updated | 2024-08-07T19:23:40 |
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