CVE-2013-5474 describes a race condition in the IPv6 virtual fragmentation reassembly (VFR) implementation within Cisco IOS versions 12.2 through 12.4 and 15.0 through 15.3. This vulnerability allows unauthenticated remote attackers to trigger a denial of service, leading to a device reload or hang, by sending specially crafted fragmented IPv6 packets. With a CVSS score of 7.8 (High), it represents a significant availability risk due to its low attack complexity and network-based vector. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:* | ||
12.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:* | ||
12.4CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:* | ||
15.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.