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CVE-2021-28493

HIGH
7.8
CVSS Score
Published: September 9, 2021 at 12:45 PM UTC
Updated: June 17, 2026 at 03:46 AM UTC
2 products affected across 1 vendorMetamako Operating System7130

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

Description

In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, a user may be able to execute commands despite not having the privileges to do so. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.32.0 and prior releases

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Metamako Operating System· Arista
95%
v ≤ 0.32.0v < MOS-0.33.0
Affected range stops below MOS-0.33.0, so it looks safe — our inference, not a vendor statement
arista-7130 (environment)
7130· Aristadevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCMitigationVendor Advisory
Source: [email protected]
https://www.arista.com/en/support/advisories-notices/security-advisories/12915-security-advisory-67

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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