CVE-2018-5255 describes a denial-of-service vulnerability affecting the Mlag agent in Arista EOS versions 4.19 before 4.19.4M and 4.20 before 4.20.2F. This flaw allows authenticated remote attackers to trigger an agent restart by sending specially crafted UDP packets. Rated Medium severity (CVSS 6.5), it requires low privileges and network access, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.19, < 4.19.4mCPE matchmatch criteria | cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* | ||
>= 4.20, < 4.20.2fCPE matchmatch criteria | cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/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, 0.0 Mastodon, and 0.1 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.
Remediation records are not available for this CVE.