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
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Arista | Eos | >= 4.22, <= 4.22.7m |
Related Weaknesses (CWE)
References
- https://www.arista.com/en/support/advisories-notices/security-advisories/13243-sVendor Advisory
- https://www.arista.com/en/support/advisories-notices/security-advisories/13243-sVendor Advisory
FAQ
What is CVE-2021-28496?
CVE-2021-28496 is a vulnerability with a CVSS score of 5.7 (MEDIUM). 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 leak...
How severe is CVE-2021-28496?
CVE-2021-28496 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-28496?
Check the references section above for vendor advisories and patch information. Affected products include: Arista Eos.