CVE-2024-12378 | BDVDB-2026-277900 Detail

Arista NetworksCloudVision Portal

Description#

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.

Impact#

CAPEC-679 Exploitation of Improperly Configured or Implemented Memory Protections

Weaknesses#

CWE-319 Cleartext Transmission of Sensitive Information

References#

https://www.arista.com/en/support/advisories-notices/security-advisory/21289-security-advisory-0113

Exploit#

No public exploit known

History#

Version 12025-05-08Record published in the CVE List.

Published

Published: 2025-05-08
Last modified: 2025-05-08

Vendor information

Vendor: Arista Networks
Product: CloudVision Portal

All Arista Networks vulnerabilities

Score

9.1 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 43.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 4.32.0 and <= 4.32.2F
Fixed
Not stated
Vulnerable
>= 4.31.0 and <= 4.31.6M
Fixed
Not stated
Vulnerable
>= 4.30.0 and <= 4.30.8M
Fixed
Not stated
Vulnerable
>= 4.29.0 and <= 4.29.9M
Fixed
Not stated
Vulnerable
>= 4.28.0 and <= 4.28.12M
Fixed
Not stated
Vulnerable
>= 4.27.0 and <= 4.27.12M
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.1 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).