CVE-2021-28496
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Arista Networks | Arista EOS | EOS-4.22 <= EOS-4.22.12 | affected |
| Arista Networks | Arista EOS | EOS-4.23 < EOS-4.23.10 | affected |
| Arista Networks | Arista EOS | EOS-4.24 < EOS-4.24.8 | affected |
| Arista Networks | Arista EOS | EOS-4.25 < EOS-4.25.5 | affected |
| Arista Networks | Arista EOS | EOS-4.26 < EOS-4.26.2 | affected |
Weaknesses
- CWE-311: CWE-311 Missing Encryption of Sensitive Data
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.
ADP Enrichment
CVE Program Container
Additional References
References
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