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CVE-2021-28493

Quick assessment

Affected
Arista Metamako Operating System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Arista Networks MOS是美国Arista Networks公司的一个完全可编程且高度模块化的基于Linux 的网络操作系统，使用熟悉的行业标准CLI，并在Arista 交换系列中运行单个二进制软件映像。 Arista Networks MOS中存在安全漏洞，在某些条件下，用户可能在没有权限的情况下执行命令。此问题影响：Arista Metamako操作系统MOS-0.1x系列MOS-0.32.0及以前版本

CVSS 8.4 · High EPSS 0.22% · P13

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-28493

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Arista Networks MOS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arista Networks MOS是美国Arista Networks公司的一个完全可编程且高度模块化的基于Linux 的网络操作系统，使用熟悉的行业标准CLI，并在Arista 交换系列中运行单个二进制软件映像。 Arista Networks MOS中存在安全漏洞，在某些条件下，用户可能在没有权限的情况下执行命令。此问题影响：Arista Metamako操作系统MOS-0.1x系列MOS-0.32.0及以前版本
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Arista Metamako Operating System MOS-0.33.0 ~ MOS-0.33.0 -

II. Public POCs for CVE-2021-28493

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III. Intelligence Information for CVE-2021-28493

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Other References for CVE-2021-28493 (1)

Same Patch Batch · Arista · 2021-09-09 · 6 CVEs total

CVE-2021-28494 9.6 CRITICAL Arista Networks MOS 授权问题漏洞
CVE-2021-28498 8.7 HIGH Arista Networks MOS 安全漏洞
CVE-2021-28495 7.2 HIGH Arista Networks MOS 授权问题漏洞
CVE-2021-28499 6.3 MEDIUM Arista Networks MOS 加密问题漏洞
CVE-2021-28497 4.4 MEDIUM Arista Networks MOS 安全漏洞

IV. Related Vulnerabilities

Same product: Metamako Operating System
Same vendor: Arista
Same weakness: CWE-287

V. Comments for CVE-2021-28493

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