CVE-2020-3422 is a denial-of-service vulnerability affecting Cisco IOS XE Software's IP SLA responder feature. An unauthenticated, remote attacker can exploit this by sending specific IP SLA control packets to force the responder to reuse a port, thereby disrupting other services using that port. Rated High severity (CVSS 7.5), this vulnerability requires no user interaction and can be exploited over the network to cause a complete loss of availability for affected services. There is currently 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 |
|---|---|---|---|
16.9.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:16.9.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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.