CVE-2023-5502

mediumpriority · track · 0EPSS 0.003 · 25 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.32% (25th) EPSS

CVSS 5.9 · medium

Is it mine?

16 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-28

On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, and routing enabled on the access VLAN of the ports, a malicious supplicant may be able to bypass the requirement to perform 802.1x authentication.

cvss

Technical severity, 0–10. One row per scoring source.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.2

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · psirt@arista.comexploitability 2.2 · impact 3.6

v4.08.2highCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.08.2highCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · psirt@arista.com

v4.04.6mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287US

affected products (16)

Products and version ranges known to be affected.

Arista EOS <4.29.7Mall versionscert_bundDE
Arista EOS <4.30.5Mall versionscert_bundDE
Arista EOS <4.31.3Mall versionscert_bundDE
Arista EOS <4.32.0Fall versionscert_bundDE
Arista EOS< 4.29.7Mcert_bundDE
Arista EOS< 4.30.5Mcert_bundDE
Arista EOS< 4.31.3Mcert_bundDE
Arista EOS< 4.32.0Fcert_bundDE
Arista Networks EOS≤ 4.26.0 ≤4.26.11Menisa_euvdEU
Arista Networks EOS≤ 4.24.0 ≤4.24.11Menisa_euvdEU
Arista Networks EOS≤ 4.31.0 ≤4.31.0Fenisa_euvdEU
Arista Networks EOS≤ 4.30.0 ≤4.30.4Menisa_euvdEU
Arista Networks EOS≤ 4.27.0 ≤4.27.11Menisa_euvdEU
Arista Networks EOS≤ 4.29.0 ≤4.29.6Menisa_euvdEU
Arista Networks EOS≤ 4.25.0 ≤4.25.11Menisa_euvdEU
Arista Networks EOS≤ 4.28.0 ≤4.28.8Menisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-1205Arista EOS: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2024-05-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Arista EOS ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2026-06-04modified 2026-07-22

references (3)

External citations — patches, advisories, analysis.

scry

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