7.4
High
CVE-2019-1750 A vulnerability in the Easy Virtual Switching System (VSS) of Cisco IOS XE Software on Catalyst 4500 Series Switches…
Description
A vulnerability in the Easy Virtual Switching System (VSS) of Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an unauthenticated, adjacent attacker to cause the switches to reload. The vulnerability is due to incomplete error handling when processing Cisco Discovery Protocol (CDP) packets used with the Easy Virtual Switching System. An attacker could exploit this vulnerability by sending a specially crafted CDP packet. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS XE Software | 16.9.2h | No fix stated |
| Cisco IOS XE Software 3.10 | 3.10.0E → 3.10.2E | No fix stated |
| Cisco IOS XE Software 3.9 | 3.9.0E → 3.9.2bE | No fix stated |
| Cisco IOS XE Software 3.8 | 3.8.0E → 3.8.7E | No fix stated |
| Cisco IOS XE Software 3.7 | 3.7.0E → 3.7.3E | No fix stated |
| Cisco IOS XE Software 3.6 | 3.6.0E → 3.6.10E | No fix stated |
References
- 20190327 Cisco IOS XE Software Catalyst 4500 Cisco Discovery Protocol Denial of Service Vulnerability tools.cisco.com
- 107607 www.securityfocus.com
Timeline
- Published
- Last modified
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