Input validation error in Arista CloudEOS VM - CVE-2020-11622
Published: May 17, 2025
Vulnerability identifier: #VU109283
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-11622
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Arista Networks
Affected software:
Arista CloudEOS VM
Arista CloudEOS VM
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of TCP packets when TCP MSS options are configured. A remote attacker can send specially crafted traffic to the system and perform a denial of service (DoS) attack.
How to mitigate CVE-2020-11622
Install updates from vendor's website.