CVE-2024-20455

HIGH EPSS 47.2%
Published Sep 25, 20241y ago · Modified Jun 17, 20261w ago
8.6 CVSS 3.1
High
Find Similar
Published Sep 25, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability in the process that classifies traffic that is going to the Unified Threat Defense (UTD) component of Cisco IOS XE Software in controller mode could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability exists because UTD improperly handles certain packets as those packets egress an SD-WAN IPsec tunnel. An attacker could exploit this vulnerability by sending crafted traffic through an SD-WAN IPsec tunnel that is configured on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Note: SD-WAN tunnels that are configured with Generic Routing Encapsulation (GRE) are not affected by this vulnerability.

CVSS Details

Base Score
8.6
Exploitability
3.9
Impact
4.0
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
47.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-371

Affected Products 101

VendorProductVersionRange
ciscoios_xe17.1.1any
ciscoios_xe17.1.1aany
ciscoios_xe17.1.1sany
ciscoios_xe17.1.1tany
ciscoios_xe17.1.3any
ciscoios_xe17.2.1any
ciscoios_xe17.2.1aany
ciscoios_xe17.2.1rany
ciscoios_xe17.2.1vany
ciscoios_xe17.2.2any
ciscoios_xe17.2.3any
ciscoios_xe17.3.1any
ciscoios_xe17.3.1aany
ciscoios_xe17.3.1wany
ciscoios_xe17.3.1xany
ciscoios_xe17.3.1zany
ciscoios_xe17.3.2any
ciscoios_xe17.3.2aany
ciscoios_xe17.3.3any
ciscoios_xe17.3.4any
ciscoios_xe17.3.4aany
ciscoios_xe17.3.4bany
ciscoios_xe17.3.4cany
ciscoios_xe17.3.5any
ciscoios_xe17.3.5aany
ciscoios_xe17.3.5bany
ciscoios_xe17.3.6any
ciscoios_xe17.3.7any
ciscoios_xe17.3.8any
ciscoios_xe17.3.8aany
ciscoios_xe17.4.1any
ciscoios_xe17.4.1aany
ciscoios_xe17.4.1bany
ciscoios_xe17.4.2any
ciscoios_xe17.4.2aany
ciscoios_xe17.5.1any
ciscoios_xe17.5.1aany
ciscoios_xe17.6.1any
ciscoios_xe17.6.1aany
ciscoios_xe17.6.1wany
ciscoios_xe17.6.1xany
ciscoios_xe17.6.1yany
ciscoios_xe17.6.1zany
ciscoios_xe17.6.1z1any
ciscoios_xe17.6.2any
ciscoios_xe17.6.3any
ciscoios_xe17.6.3aany
ciscoios_xe17.6.4any
ciscoios_xe17.6.5any
ciscoios_xe17.6.5aany
ciscoios_xe17.6.6any
ciscoios_xe17.6.6aany
ciscoios_xe17.7.1any
ciscoios_xe17.7.1aany
ciscoios_xe17.7.1bany
ciscoios_xe17.7.2any
ciscoios_xe17.8.1any
ciscoios_xe17.8.1aany
ciscoios_xe17.9.1any
ciscoios_xe17.9.1aany
ciscoios_xe17.9.1wany
ciscoios_xe17.9.1xany
ciscoios_xe17.9.1x1any
ciscoios_xe17.9.1yany
ciscoios_xe17.9.1y1any
ciscoios_xe17.9.2any
ciscoios_xe17.9.2aany
ciscoios_xe17.9.3any
ciscoios_xe17.9.3aany
ciscoios_xe17.9.4any
ciscoios_xe17.9.4aany
ciscoios_xe17.9.5any
ciscoios_xe17.9.5aany
ciscoios_xe17.9.5bany
ciscoios_xe17.10.1any
ciscoios_xe17.10.1aany
ciscoios_xe17.10.1bany
ciscoios_xe17.11.1any
ciscoios_xe17.11.1aany
ciscoios_xe17.11.99swany
ciscoios_xe17.12.1any
ciscoios_xe17.12.1aany
ciscoios_xe17.12.1wany
ciscoios_xe17.12.2any
ciscoios_xe17.12.2aany
ciscoios_xe17.13.1any
ciscoios_xe17.13.1aany
ciscoios_xe_sd-wan17.5.1aany
ciscoios_xe_sd-wan17.6.1aany
ciscoios_xe_sd-wan17.6.2any
ciscoios_xe_sd-wan17.6.4any
ciscoios_xe_sd-wan17.7.1aany
ciscoios_xe_sd-wan17.8.1aany
ciscoios_xe_sd-wan17.9.1aany
ciscoios_xe_sd-wan17.9.2aany
ciscoios_xe_sd-wan17.9.3aany
ciscoios_xe_sd-wan17.9.4any
ciscoios_xe_sd-wan17.10.1aany
ciscoios_xe_sd-wan17.11.1aany
ciscoios_xe_sd-wan17.12.1aany
ciscoios_xe_sd-wan17.13.1aany

References 1

  • sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-utd-dos-hDATqxs
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.