CyberCVE

CVE-2024-20436

A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote attacker to cause a denial of service (DoS) con

Severity
High 8.6
CVSS 3.1
Exploited
Not listed
EPSS
0.009
55.0th percentile
Discovered by
Vendor
Published by the vendor
Published
Sep 25, 2024
Assigned by cisco

Description

A vulnerability in the HTTP Server feature of Cisco IOS XE Software when the Telephony Service feature is enabled could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a null pointer dereference when accessing specific URLs. An attacker could exploit this vulnerability by sending crafted HTTP traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, causing a DoS condition on the affected device.

Weakness: CWE-476

Affected products

Vendor Product Category Matched by
Cisco Cisco IOS XE Software Routing & Switching cna-assigner
Vendor-reported affected versions (2)
  • Cisco · Cisco IOS XE Software
  • cisco · ios_xe

References