High severity · published Sep 9, 2021
CVE-2021-28493
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…
7.8
CVSS
0.2%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Metamako Operating System · Arista
through 0.32.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28493
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28493
Mitigation
https://www.arista.com/en/support/advisories-notices/security-advisories/12915-security-advisory-67
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