CVE-2021-28508: This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport…

PriorityP427medium6.1CVSS 3.1

AVNACLPRHUIRSUCHIHAN

EPSS

0.48%

38.0th percentile

This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak IPsec sensitive data in clear text in CVP to other authorized users, which could cause IPsec traffic to be decrypted or modified by other authorized users on the device.

Affected

16 ranges

Vendor	Product	Version range	Fixed in
arista	eos	4.23 – 4.23.11	—
arista	eos	>= 4.24 < 4.24.10	4.24.10
arista	eos	>= 4.25 < 4.25.8	4.25.8
arista	eos	>= 4.26 < 4.26.6	4.26.6
arista	eos	>= 4.27 < 4.27.2	4.27.2
arista	terminattr	< 1.10.11	1.10.11
arista	terminattr	>= 1.11.0 < 1.16.8	1.16.8
arista	terminattr	>= 1.17.0 < 1.19.0	1.19.0
arista_networks	arista_eos	4.23 – 4.23.11	—
arista_networks	arista_eos	4.24 – 4.24.9	—
arista_networks	arista_eos	4.25 – 4.25.7	—
arista_networks	arista_eos	4.26 – 4.26.5	—
arista_networks	arista_eos	4.27 – 4.27.3	—
arista_networks	arista_terminattr	v1.10 – v1.10.10	—
arista_networks	arista_terminattr	v1.16 – v1.16.7	—
arista_networks	arista_terminattr	v1.18 – v1.18.1	—

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

nvdv2.03.6LOWAV:N/AC:H/Au:S/C:P/I:P/A:N

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.