CVE-2021-28500: An issue has recently been discovered in Arista EOS where the incorrect use of EOS's AAA API’s by the OpenConfig and TerminAttr agents could result in…

PriorityP339high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.87%

54.2th percentile

An issue has recently been discovered in Arista EOS where the incorrect use of EOS's AAA API’s by the OpenConfig and TerminAttr agents could result in unrestricted access to the device for local users with nopassword configuration.

Affected

14 ranges

Vendor	Product	Version range	Fixed in
arista	eos	< 4.20	4.20
arista	eos	4.21.0 – 4.21.14m	—
arista	eos	4.22.0 – 4.22.11m	—
arista	eos	4.23.0 – 4.23.8m	—
arista	eos	4.24.6.0 – 4.24.6m	—
arista	eos	4.25.0 – 4.25.4m	—
arista	eos	4.26.0 – 4.26.1f	—
arista_networks	arista_eos	>= 4.20 < 0	0
arista_networks	arista_eos	4.21.14M – 4.21.0	—
arista_networks	arista_eos	4.22.11M – 4.22.0	—
arista_networks	arista_eos	4.23.8M – 4.23.0	—
arista_networks	arista_eos	4.24.6M – 4.24.6.0	—
arista_networks	arista_eos	4.25.4.M – 4.25.0	—
arista_networks	arista_eos	4.26.1F – 4.26.0	—

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvdv2.06.9MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C

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