CVE-2024-12378

criticalpriority · track · 0OT risk · elevatedEPSS 0.005 · 43 %ileDEEU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.50% (43rd) EPSS

CVSS 9.1 · critical

Is it mine?

16 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.

cvss

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

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · psirt@arista.comexploitability 3.9 · impact 5.2

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-319US

affected products (16)

Products and version ranges known to be affected.

Arista EOS <4.29.10Mall versionscert_bundDE
Arista EOS <4.30.9Mall versionscert_bundDE
Arista EOS <4.31.7Mall versionscert_bundDE
Arista EOS <4.32.3Mall versionscert_bundDE
Arista EOS <4.33.0Fall versionscert_bundDE
Arista EOS< 4.29.10Mcert_bundDE
Arista EOS< 4.30.9Mcert_bundDE
Arista EOS< 4.31.7Mcert_bundDE
Arista EOS< 4.32.3Mcert_bundDE
Arista EOS< 4.33.0Fcert_bundDE
Arista Networks CloudVision Portal≤ 4.28.0 ≤4.28.12Menisa_euvdEU
Arista Networks CloudVision Portal≤ 4.31.0 ≤4.31.6Menisa_euvdEU
Arista Networks CloudVision Portal≤ 4.27.0 ≤4.27.12Menisa_euvdEU
Arista Networks CloudVision Portal≤ 4.30.0 ≤4.30.8Menisa_euvdEU
Arista Networks CloudVision Portal≤ 4.32.0 ≤4.32.2Fenisa_euvdEU
Arista Networks CloudVision Portal≤ 4.29.0 ≤4.29.9Menisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0767Arista EOS: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2025-04-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Arista EOS ausnutzen, um Informationen offenzulegen.

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 2025-05-08modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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