Improper Verification of Source of a Communication Channel in Cisco IOS XR - CVE-2024-20390
Published: September 12, 2024
Vulnerability identifier: #VU97204
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-20390
CWE-ID: CWE-940
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform DoS attack.
The vulnerability exists due to improper input validation of ingress XML packets in the Dedicated XML Agent feature. A remote attacker can send specially crafted packets to the XML TCP port 38751 and perform a denial of service (DoS) attack.
Affected software
Cisco IOS XR
How to mitigate CVE-2024-20390
Install updates from vendor's website.
Cisco IOS XR - update to 24.1.2