CVE-2021-28496 - CVE House
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Status published Medium CVE-2021-28496

In Arista's EOS software affected releases, the shared secret profiles sensitive configuration might be leaked when displaying output over eAPI or other JSON outputs to authenticated users on the device.

Vulnerability Description

On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding Detection (BFD) will be leaked when displaying output over eAPI or other JSON outputs to other authenticated users on the device. The affected EOS Versions are: all releases in 4.22.x train, 4.23.9 and below releases in the 4.23.x train, 4.24.7 and below releases in the 4.24.x train, 4.25.4 and below releases in the 4.25.x train, 4.26.1 and below releases in the 4.26.x train

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2025-7048
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Affected Vendor

Arista Networks

View all reports →

Affected Software

Arista EOS
Vulnerable Versions:
EOS-4.22, EOS-4.23, EOS-4.24, EOS-4.25, EOS-4.26

Timeline

Official Publish: October 21st, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-311

MITRE ATT&CK TTPs

T1005 Data from Local System
Collection
T1040 Network Sniffing
Credential Access
T1041 Exfiltration Over C2 Channel
Exfiltration
T1078 Valid Accounts
Persistence
T1530 Data from Cloud Storage
Collection