Vulnslist

Cisco vulnerabilities by product, model, software, and advisory.

CVE-2023-20227

A vulnerability in the Layer 2 Tunneling Protocol (L2TP) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain L2TP packets. An attacker could exploit this vulnerability by sending crafted L2TP packets to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. Note: Only traffic directed to the affected system can be used to exploit this vulnerability.

SeverityHIGH
CVSS8.6
CWECWE-388
KEV No
Published
Modified

Related Products

Product Advisory Evidence
Cisco IOS cisco-sa-ios-xe-l2tp-dos-eB5tuFmV Cisco OpenVuln
Cisco IOS XE Software cisco-sa-ios-xe-l2tp-dos-eB5tuFmV Cisco OpenVuln
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Cisco Catalyst 9400 Series Switches cisco-sa-ios-xe-l2tp-dos-eB5tuFmV Cisco OpenVuln · software-dependent
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Cisco Catalyst 9300 Series Switches cisco-sa-ios-xe-l2tp-dos-eB5tuFmV Cisco OpenVuln · software-dependent