CVEvulnerability
CVE-2020-9015
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-02-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Description
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 configurations
• arista dcs-7050qx-32s-r firmware 4.20.9m
• arista dcs-7050cx3-32s-r firmware 4.20.11m
• arista dcs-7280sram-48c6-r firmware 4.22.0.1f
References
- http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html packetstormsecurity.com
- https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/ eos.arista.com
- https://securitybytes.me Third Party Advisory
- https://securitybytes.me/posts/cve-2020-9015/ Broken Link
- http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html packetstormsecurity.com
- https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/ eos.arista.com
- https://securitybytes.me Third Party Advisory
- https://securitybytes.me/posts/cve-2020-9015/ Broken Link