CVE-2016-6381 is a denial-of-service vulnerability affecting Cisco IOS 12.4 and 15.0-15.6, and IOS XE 3.1-3.18 and 16.1. Remote attackers can exploit this flaw by sending specially crafted, fragmented IKEv1 packets, leading to memory exhaustion or a device reload. Rated with a CVSS score of 7.5 (High), this vulnerability is network-exploitable with low attack complexity, requiring no user interaction, and resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.4\(15\)t7CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.4\(15\)t7:*:*:*:*:*:*:* | ||
12.4\(15\)t8CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.4\(15\)t8:*:*:*:*:*:*:* | ||
12.4\(15\)t9CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.4\(15\)t9:*:*:*:*:*:*:* | ||
12.4\(15\)t10CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.4\(15\)t10:*:*:*:*:*:*:* | ||
12.4\(15\)t11CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.4\(15\)t11:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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.