CVE-2021-28499 json
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, user account passwords set in clear text…
published 2021-09-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15175
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, user account passwords set in clear text could leak to users without any password. This issue affects: Arista Metamako Operating System MOS-0.18 and post releases in the MOS-0.1x train All releases in the MOS-0.2x train MOS-0.31.1 and prior releases in the MOS-0.3x train
Patch / fix
- arista metamako_operating_system 0.32.0
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Arista Metamako Operating System
Classification
References
-
arista.com
/en/support/advisories-notices/security-advisories/12912-security-advisory-64
mitigation, vendor-advisory
Sources
- CVE List CVE-2021-28499
- NVD CVE-2021-28499
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