CVE-2020-9015: Arista Dcs-7050cx3-32s-R Firmware

Critical severity, CVSS 9.8. EPSS: 16.5% chance of exploitation in the next 30 days.

Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and possibly other products) allow attackers to bypass intended TACACS+ shell restrictions via a | character. NOTE: the vendor reports that this is a configuration issue relating to an overly permissive regular expression in the TACACS+ server permitted commands

Affected products

• Arista Dcs-7050cx3-32s-R Firmware: version 4.20.11m only
• Arista Dcs-7050qx-32s-R Firmware: version 4.20.9m only
• Arista Dcs-7280sram-48c6-R Firmware: version 4.22.0.1f only

Published 2020-02-20. Last modified 2026-06-17.