CVE-2020-9015

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

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2020-02-20

Last modified

2024-08-04

Affected products

• Dcs-7050cx3-32s-r Firmware (Arista)
• Dcs-7050qx-32s-r Firmware (Arista)
• Dcs-7280sram-48c6-r Firmware (Arista)

References

• http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html
• https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/
• https://securitybytes.me
• https://securitybytes.me/posts/cve-2020-9015/