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CVE-2021-44527

Quick assessment

Affected
n/a UniFi Switches
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.

Ubiquiti UniFi Switch是美国Ubiquiti公司的一款交换机。 UniFi Switch 存在资源管理错误漏洞，该漏洞源于已经获得网络访问权限的恶意行为者对受影响的交换机执行拒绝服务 (DoS) 攻击。

AI Predicted 6.5 Difficulty: Easy EPSS 0.37% · P30

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-44527

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability found in UniFi Switch firmware Version 5.43.35 and earlier allows a malicious actor who has already gained access to the network to perform a Deny of Service (DoS) attack on the affected switch.This vulnerability is fixed in UniFi Switch firmware 5.76.6 and later.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
UniFi Switch 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ubiquiti UniFi Switch是美国Ubiquiti公司的一款交换机。 UniFi Switch 存在资源管理错误漏洞，该漏洞源于已经获得网络访问权限的恶意行为者对受影响的交换机执行拒绝服务 (DoS) 攻击。
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
- UniFi Switches Fixed in 5.76.6 -

II. Public POCs for CVE-2021-44527

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III. Intelligence Information for CVE-2021-44527

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Other References for CVE-2021-44527 (1)

Same Patch Batch · n/a · 2021-12-07 · 67 CVEs total

CVE-2021-41716 Mahavitaran 授权问题漏洞
CVE-2021-40093 SquaredUp跨站脚本漏洞
CVE-2021-40094 Squaredup 跨站脚本漏洞
CVE-2021-40095 Squaredup安全漏洞
CVE-2021-42131 Ivanti Avalanche SQL注入漏洞
CVE-2021-42132 Ivanti Avalanche 命令注入漏洞
CVE-2021-42133 Ivanti Avalanche 代码问题漏洞
CVE-2020-27413 Mahavitaran安全漏洞
CVE-2020-19611 Racktables 跨站脚本漏洞
CVE-2020-12140 Contiki-NG 安全漏洞
CVE-2021-42130 Ivanti Avalanche 代码问题漏洞
CVE-2021-40859 Auerswald Compact 系列安全漏洞
CVE-2021-40288 TP-Link AX10安全漏洞
CVE-2021-42972 Nomachine NoMachine 安全漏洞
CVE-2021-42973 Nomachine NoMachine 输入验证错误漏洞
CVE-2021-42976 NoMachine 安全漏洞
CVE-2021-42977 Nomachine NoMachine输入验证错误漏洞
CVE-2021-42979 Nomachine NoMachine 输入验证错误漏洞
CVE-2021-42980 Nomachine NoMachine 安全漏洞
CVE-2021-42983 Nomachine NoMachine 安全漏洞

Showing top 20 of 67 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-400

V. Comments for CVE-2021-44527

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