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I. Basic Information for CVE-2020-27837
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in GDM in versions prior to 3.38.2.1. A race condition in the handling of session shutdown makes it possible to bypass the lock screen for a user that has autologin enabled, accessing their session without authentication. This is similar to CVE-2017-12164, but requires more difficult conditions to exploit.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: NVD (National Vulnerability Database)
Vulnerability Title
GNOME Display Manager 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNOME Display Manager(GDM)是一款显示管理器。 GNOME Display Manager 存在竞争条件问题漏洞,攻击者可利用该漏洞可以通过GDM的自动锁屏绕过限制,以升级他的特权。
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
VendorProductAffected VersionsCPESubscribe
-gdm prior to 3.38.2.1 -
II. Public POCs for CVE-2020-27837
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III. Intelligence Information for CVE-2020-27837
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IV. Related Vulnerabilities
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