CVE-2024-20455 is a denial-of-service vulnerability in Cisco IOS XE Software's Unified Threat Defense (UTD) component, affecting devices in controller mode when processing traffic egressing SD-WAN IPsec tunnels. An unauthenticated, remote attacker can exploit this by sending crafted traffic, causing the device to reload. This vulnerability has a high CVSS score of 8.6, indicating a critical impact on availability with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
17.1.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.1.1:*:*:*:*:*:*:* | ||
17.1.1aCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.1.1a:*:*:*:*:*:*:* | ||
17.1.1sCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.1.1s:*:*:*:*:*:*:* | ||
17.1.1tCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.1.1t:*:*:*:*:*:*:* | ||
17.1.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:17.1.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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