PT-2022-9901 · Arista · Arista Eos

Published 2022-05-25 · Updated 2022-06-09 · CVE-2021-28509

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Arista EOS (affected versions not specified)

Description The issue affects the Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. In certain conditions, TerminAttr might leak MACsec sensitive data in clear text to other authorized users, potentially allowing them to decrypt or modify MACsec traffic on the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Cleartext Transmission of Sensitive Information

Weakness Enumeration

CWE-255

CWE-319

Related Identifiers

CVE-2021-28509

Affected Products

Arista Eos

References · 4

• 🔥 https://arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-28509 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28509 · Vendor Advisory
• https://t.me/cvenotify/31371 · Telegram Post