CVE-2020-11622 is a high-severity vulnerability affecting Arista’s Cloud EOS VM and vEOS router code across several 4.21.x, 4.22.x, and 4.23.x releases when TCP MSS options are configured. With a CVSS score of 7.5, this network-exploitable vulnerability allows an unauthenticated attacker to cause a denial of service (availability impact) with low attack complexity. There is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. It is not listed in CISA's KEV catalog, and its EPSS score is very low, indicating a minimal likelihood of exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.21.3m, <= 4.21.9mCPE matchmatch criteria | cpe:2.3:a:arista:cloudeos:*:*:*:*:*:*:*:* | ||
>= 4.22.0, <= 4.22.4mCPE matchmatch criteria | cpe:2.3:a:arista:cloudeos:*:*:*:*:*:*:*:* | ||
>= 4.23.0, <= 4.23.2mCPE matchmatch criteria | cpe:2.3:a:arista:cloudeos:*:*:*:*:*:*:*:* | ||
4.21.3fx-7368CPE matchmatch criteria | cpe:2.3:a:arista:cloudeos:4.21.3fx-7368:*:*:*:*:*:*:* | ||
4.21.4-fcrfxCPE matchmatch criteria | cpe:2.3:a:arista:cloudeos:4.21.4-fcrfx:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No social media mentions found for this CVE.
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.
Remediation records are not available for this CVE.