CVE-2010-4671 describes a denial-of-service vulnerability in the IPv6 Neighbor Discovery (ND) protocol implementation within Cisco IOS before version 15.0(1)XA5. An unauthenticated remote attacker can exploit this by flooding a device with Router Advertisement (RA) messages from various source addresses, leading to high CPU utilization and a device hang. This vulnerability carries a high CVSS score of 7.8, indicating a critical impact with low attack complexity and no authentication required. While public exploit code exists (thc-ipv6's flood_router6 program), there is no evidence of active exploitation, nor significant community discussion or media coverage surrounding this decade-old vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 15.0\(1\)xa5CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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.
Remediation records are not available for this CVE.