CVE-2017-3864 describes a denial of service vulnerability in the DHCP client implementation of Cisco IOS and IOS XE. An unauthenticated, remote attacker can exploit this by sending crafted DHCP packets to an affected device configured as a DHCP client, causing a reload. This vulnerability has a high CVSS score of 8.6, indicating a significant impact due to its network attack vector and high availability impact. Despite its severity, there is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 15.0, <= 15.6CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* | ||
12.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:* | ||
12.4CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:* | ||
>= 3.3, <= 3.7CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* |
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.