State Issues in Cisco Systems, Inc products - CVE-2024-20455
Published: September 26, 2024
Vulnerability identifier: #VU97731
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-20455
CWE-ID: CWE-371
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perofrm a denial of service (DoS) attack.
The vulnerability exists due to the Unified Threat Defense (UTD) improperly handles certain packets as those packets egress an SD-WAN IPsec tunnel. A remote attacker can cause a denial of service condition.
Affected software
Cisco 1000 Series Integrated Services Routers
Catalyst 8000V Edge Software
Catalyst 8200 Series Edge Platforms
Catalyst 8300 Series Edge Platforms
Catalyst 8500L Series Edge Platforms
Catalyst IR8300 Rugged Series Routers
Cisco IOS XE
Catalyst 8000V Edge Software
Catalyst 8200 Series Edge Platforms
Catalyst 8300 Series Edge Platforms
Catalyst 8500L Series Edge Platforms
Catalyst IR8300 Rugged Series Routers
Cisco IOS XE
How to mitigate CVE-2024-20455
Install update from vendor's website.
Cisco IOS XE - addressed in versions 17.6.7, 17.6.8, 17.9.6, 17.12.1x, 17.12.1y, 17.12.1z, 17.12.1z1, 17.12.3, 17.12.3a, 17.12.4, 17.14.1, 17.14.1a, 17.15.1, 17.15.1a, 17.15.1b