CVE-2021-28498 json
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, user enable passwords set in clear text c…
published 2021-09-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15174
- cvss
- 8.7
- 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 12%
- public exploits
- 0
- none known
Summary
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, user enable passwords set in clear text could result in unprivileged users getting complete access to the systems. This issue affects: Arista Metamako Operating System MOS-0.13 and post releases in the MOS-0.1x train MOS-0.26.6 and prior 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 0.26.7, 0.32.0
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.7 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
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-2021-28498
- NVD CVE-2021-28498
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.