PT-2024-10398 · Cisco · Cisco Ios Xr

Published 2024-09-11 · Updated 2024-10-07 · CVE-2024-20390

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software (affected versions not specified)

Description A vulnerability in the Dedicated XML Agent feature could allow an unauthenticated, remote attacker to cause a denial of service (DoS) on XML TCP listen port 38751. This issue is due to a lack of proper error validation of ingress XML packets. An attacker could exploit this by sending a sustained, crafted stream of XML traffic to a targeted device, causing XML TCP port 38751 to become unreachable while the attack traffic persists.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-940

Related Identifiers

BDU:2025-00914

CVE-2024-20390

Affected Products

Cisco Ios Xr

References · 8

• https://osv.dev/vulnerability/CVE-2024-20390 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-xml-tcpdos-ZEXvrU2S · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-00914 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-20390 · Security Note
• https://t.me/cvedetector/5406 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1833955701099487562 · Twitter Post
• https://t.me/cvenotify/94321 · Telegram Post
• https://twitter.com/CVEnew/status/1833923751970570480 · Twitter Post