CVE-2021-28508
lowpriority · track · 24OT risk · elevatedEPSS 0.005 · 44 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.6–6.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://aristanetworks.force.com/AristaCommunity/s/article/terminattr-upgrade-downgradePatchcnnvd
- https://cxsecurity.com/cveshow/CVE-2021-28508/cnnvd
- https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077cnnvd
- https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077enisa_euvd
- https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077ExploitVendor Advisorynvd
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