CVE-2017-12238 is a medium-severity denial-of-service vulnerability affecting Cisco Catalyst 6800 Series Switches running specific Cisco IOS versions with C6800-16P10G or C6800-16P10G-XL line cards configured for VPLS. An unauthenticated, adjacent attacker can exploit a memory management issue by creating numerous VPLS-generated MAC entries, causing a line card crash. This vulnerability has a CVSS score of 6.5 and is actively exploited, as indicated by its presence in the KEV catalog. Despite active exploitation, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 15.0, <= 15.4CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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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.