CVE-2021-28509

lowPriorität · verfolgen · 24OT-Risiko · erhöhtEPSS 0.005 · 40. PerzentilEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.47% (40th) EPSS

CVSS 3.6 · low

Is it mine?

16 products

Prüfe deine Angriffsfläche

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · bewertet 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 MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

6.1

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · low–medium · 3.6–6.1

v2.03.6lowAV:N/AC:H/Au:S/C:P/I:P/A:Nprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 4.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Nprimary · NVD / NIST USAusnutzbarkeit 0.9 · Auswirkung 5.2

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Nsecondary · psirt@arista.comAusnutzbarkeit 0.9 · Auswirkung 5.2

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-319USprimärCWE-255US

betroffene Produkte (16)

Betroffene Produkte und Versionsbereiche.

Arista Networks Arista EOS≤ 4.27 ≤4.27.3enisa_euvdEU
Arista Networks Arista EOS≤ 4.25 ≤4.25.7enisa_euvdEU
Arista Networks Arista EOS≤ 4.23 ≤4.23.11enisa_euvdEU
Arista Networks Arista EOS≤ 4.24 ≤4.24.9enisa_euvdEU
Arista Networks Arista EOS≤ 4.26 ≤4.26.5enisa_euvdEU
Arista Networks Arista TerminAttr≤ v1.19 ≤v1.19.1enisa_euvdEU
Arista Networks Arista TerminAttr≤ v1.10 ≤v1.10.10enisa_euvdEU
Arista Networks Arista TerminAttr≤ v1.16 ≤v1.16.7enisa_euvdEU
arista eos4.23 → 4.23.11nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista eos4.24 → 4.24.10nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista eos4.25 → 4.25.8nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista eos4.26 → 4.26.6nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista eos4.27 → 4.27.4nvdUScpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
arista terminattr< 1.10.11nvdUScpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:*
arista terminattr1.11.0 → 1.16.8nvdUScpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:*
arista terminattr1.17.0 → 1.19.2nvdUScpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:*

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

veröffentlicht 2022-05-26geändert 2026-06-17

verwandt (1,183)

Verwandte Einträge.

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+1178 weitere

Referenzen (5)

Externe Belege — Patches, Meldungen, Analysen.

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