Vulnerability Details 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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.656
EPSS Ranking 98.4%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
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/
- 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/
Products affected by CVE-2020-9015
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cpe:2.3:h:arista:dcs-7050cx3-32s-r:-
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cpe:2.3:h:arista:dcs-7050qx-32s-r:-
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cpe:2.3:h:arista:dcs-7280sram-48c6-r:-
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cpe:2.3:o:arista:dcs-7050cx3-32s-r_firmware:4.20.11m
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cpe:2.3:o:arista:dcs-7050qx-32s-r_firmware:4.20.9m
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cpe:2.3:o:arista:dcs-7280sram-48c6-r_firmware:4.22.0.1f