CVE-2024-20304

HIGH EPSS 44.0%
Published Sep 11, 20241y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 11, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

A vulnerability in the multicast traceroute version 2 (Mtrace2) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust the UDP packet memory of an affected device. This vulnerability exists because the Mtrace2 code does not properly handle packet memory. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to exhaust the incoming UDP packet memory. The affected device would not be able to process higher-level UDP-based protocols packets, possibly causing a denial of service (DoS) condition. Note: This vulnerability can be exploited using IPv4 or IPv6.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
44.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-401

Affected Products 18

VendorProductVersionRange
ciscoios_xr7.7.1any
ciscoios_xr7.7.2any
ciscoios_xr7.7.21any
ciscoios_xr7.8.1any
ciscoios_xr7.8.2any
ciscoios_xr7.8.12any
ciscoios_xr7.8.22any
ciscoios_xr7.9.1any
ciscoios_xr7.9.2any
ciscoios_xr7.9.21any
ciscoios_xr7.10.1any
ciscoios_xr7.10.2any
ciscoios_xr7.11.1any
ciscoios_xr7.11.2any
ciscoios_xr24.1.1any
ciscoios_xr24.1.2any
ciscoios_xr24.2.1any
ciscoios_xr24.2.11any

References 1

  • sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-pak-mem-exhst-3ke9FeFy
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.