CVE-2021-28494
Last modified
CVE-2021-28494 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, authentication is bypassed by unprivileged users who are accessing the Web UI. This issue affects: Arista Metamako Operating System MOS-0.34.0 and prior releases. EPSS estimates a 0.85% chance of exploitation in the next 30 days.
Description
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, authentication is bypassed by unprivileged users who are accessing the Web UI. This issue affects: Arista Metamako Operating System MOS-0.34.0 and prior releases
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Arista | Metamako Operating System | <= 0.34.0 |
References
- https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68Mitigation, Vendor Advisory
- https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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