{"id":"CVE-2020-9015","aliases":["EUVD-2020-29846","GHSA-rp5h-fhc8-hqfx"],"status":"disputed","title":"Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F...","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","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.16464,"percentile":0.97025,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2020-02-20T21:39:13Z","modified":"2026-06-17T03:27:20Z","exploits":[{"source":"metasploit","id":"exploit/unix/ssh/arista_tacplus_shell","title":"Arista restricted shell escape (with privesc)","type":"exploit","platform":"Linux","date":"2020-02-02","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/unix/ssh/arista_tacplus_shell"}],"products":[{"vendor":"arista","product":"dcs-7050cx3-32s-r_firmware"},{"vendor":"arista","product":"dcs-7050qx-32s-r_firmware"},{"vendor":"arista","product":"dcs-7280sram-48c6-r_firmware"}],"references":[{"url":"https://securitybytes.me","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://securitybytes.me/posts/cve-2020-9015/","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9015"},{"url":"https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015"},{"url":"https://securitybytes.me/posts/cve-2020-9015"},{"url":"https://github.com/advisories/GHSA-rp5h-fhc8-hqfx"}],"sources":{"cve":[{"id":"CVE-2020-9015","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","status":"disputed","published":"2020-02-20T21:39:13Z","modified":"2024-08-04T10:19:19.696Z","updated_at":"2026-11-02T14:35:49.538427Z"}],"euvd":[{"id":"EUVD-2020-29846","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","status":"published","published":"2020-02-20T21:39:13Z","modified":"2024-08-04T10:19:19Z","updated_at":"2026-11-03T03:07:55.71159Z"}],"ghsa":[{"id":"GHSA-rp5h-fhc8-hqfx","title":"Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F...","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 allow attackers to bypass intended TACACS+ shell restrictions via a | character.","status":"published","published":"2022-05-24T17:09:25Z","modified":"2024-03-21T03:33:54Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T14:55:42.026509Z"}],"nvd":[{"id":"CVE-2020-9015","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","status":"disputed","published":"2020-02-20T22:15:12.177Z","modified":"2026-06-17T03:27:20.693Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:05:54.796125Z"}]}}