CVE-2021-28496
Last modified
CVE-2021-28496 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Arista | Eos | >= 4.22, <= 4.22.7m |
| Arista | Eos | >= 4.23, < 4.23.10 |
| Arista | Eos | >= 4.24, < 4.24.8 |
| Arista | Eos | >= 4.25, < 4.25.5 |
| Arista | Eos | >= 4.26, < 4.26.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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