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CVE-2020-35517

Quick assessment

Affected
n/a qemu
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.

QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 存在访问控制错误漏洞，攻击者可利用该漏洞可以提升权限，从而在共享目录中创建设备专用文件并使用它来读/写访问主机设备。

AI Predicted 8.6 Difficulty: Easy EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection
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I. Basic Information for CVE-2020-35517

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
QEMU 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 存在访问控制错误漏洞，攻击者可利用该漏洞可以提升权限，从而在共享目录中创建设备专用文件并使用它来读/写访问主机设备。
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
- qemu qemu 5.2.0 -

II. Public POCs for CVE-2020-35517

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III. Intelligence Information for CVE-2020-35517

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Patches & Fixes for CVE-2020-35517 (1)

Vendor Advisories for CVE-2020-35517 (3)

Mailing List Discussions for CVE-2020-35517 (2)

Same Patch Batch · n/a · 2021-01-28 · 22 CVEs total

CVE-2021-20186 Moodle 跨站脚本漏洞
CVE-2020-8585 Netapp NetApp OnCommand Unified Manager 后置链接漏洞
CVE-2019-25016 Duncaen OpenDoas 安全漏洞
CVE-2021-3160 Aca Assurex Rentes 代码问题漏洞
CVE-2021-3337 MyBB Hide-Thread-Content plugin 安全漏洞
CVE-2020-35754 Opensolution Quick.Cart和Opensolution Quick.Cms 注入漏洞
CVE-2020-36115 EGavilan Media CRUD Operation 跨站脚本漏洞
CVE-2020-1725 Red Hat Keycloak 访问控制错误漏洞
CVE-2021-20185 Moodle 资源管理错误漏洞
CVE-2021-25647 Testesdecodigogratis Testes de Codigo 跨站脚本漏洞
CVE-2021-20184 Moodle 信息泄露漏洞
CVE-2020-25782 Accfly Wireless Security IR Camera System 720P Software 缓冲区错误漏洞
CVE-2021-20183 Moodle 跨站脚本漏洞
CVE-2021-20187 Moodle 代码注入漏洞
CVE-2021-22875 Revive Adserver 跨站脚本漏洞
CVE-2021-22874 Revive Adserver 跨站脚本漏洞
CVE-2020-13569 OpenEMR 跨站请求伪造漏洞
CVE-2020-35124 Mautic 跨站脚本漏洞
CVE-2020-25785 Accfly Wireless Security IR Camera System 720P Software 缓冲区错误漏洞
CVE-2020-25784 Accfly Wireless Security IR Camera System 720P Software 缓冲区错误漏洞

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: qemu
Same vendor: n/a
Same weakness: CWE-269

V. Comments for CVE-2020-35517

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