CVE-2016-6421 describes a denial-of-service vulnerability in Cisco IOS XR 5.2.2, allowing remote attackers to trigger a process restart through a specially crafted OSPF Link State Advertisement (LSA) update. This vulnerability has a CVSSv3 score of 5.3 (Medium), indicating it can be exploited remotely with low attack complexity, requiring no user interaction, and resulting in a loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.2.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:5.2.2:*:*:*:*:*:*:* |
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:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.