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CVE Vulnerability Details :
CVE-2021-28496
PUBLISHED
More InfoOfficial Page
Assigner-Arista
Assigner Org ID-c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7
View Known Exploited Vulnerability (KEV) details
Published At-21 Oct, 2021 | 16:41
Updated At-16 Sep, 2024 | 17:39
Rejected At-
▼CVE Numbering Authority (CNA)
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.

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

Affected Products
Vendor
Arista Networks, Inc.Arista Networks
Product
Arista EOS
Versions
Affected
  • From EOS-4.22 through EOS-4.22.12 (custom)
  • From EOS-4.23 before EOS-4.23.10 (custom)
  • From EOS-4.24 before EOS-4.24.8 (custom)
  • From EOS-4.25 before EOS-4.25.5 (custom)
  • From EOS-4.26 before EOS-4.26.2 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-311CWE-311 Missing Encryption of Sensitive Data
Type: CWE
CWE ID: CWE-311
Description: CWE-311 Missing Encryption of Sensitive Data
Metrics
VersionBase scoreBase severityVector
3.15.7MEDIUM
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 5.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

The recommended resolution is to upgrade to a remediated software version at your earliest convenience. The vulnerability is fixed in the following EOS versions: 4.23.10 and later releases 4.24.8 and later releases 4.25.5 and later releases 4.26.2 and later releases

For an immediate remediation until EOS can be upgraded, a hotfix SWIX is available to be installed as EOS extension to fix the issue. Release versions: 4.22.0 - 4.25.0 URL: https://www.arista.com/assets/data/SecurityAdvisories/SA69/SecurityAdvisory0069Hotfix-4.22-4.25.0.swix SWIX hash: (SHA512)36fc77d7ff5de2aacfff822bac4e054137a5ebf7d54f283cd4d4be05f15a2c1e448245080e0be11122831bb672d1d777724a8bcbbf029e32a3611d6002e2cf10 Release versions: 4.25.1 - 4.26.1 URL: https://www.arista.com/assets/data/SecurityAdvisories/SA69/SecurityAdvisory0069Hotfix-4.25.1-4.26.1.swix SWIX hash: (SHA512)c8d5a8ab801c7e45dbc0f062f738f3af72084b451a7734c5607a884d648d88b37d7a8451d09dd0a051728199f4b6b0c0bef76b5c3862a668298410cbce55e085

Configurations
Workarounds

The restriction of access to the related CLI show command of specified role type can be used as an immediate mitigation. The detailed instructions of role-based authorization can be found at https://www.arista.com/um-eos/eos-user-security#xx1347683.

Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069
x_refsource_MISC
Hyperlink: https://www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069
x_refsource_MISC
x_transferred
Hyperlink: https://www.arista.com/en/support/advisories-notices/security-advisories/13243-security-advisory-0069
Resource:
x_refsource_MISC
x_transferred
Details not found