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CVE-2021-20315

Quick assessment

Affected
n/a gnome-shell
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.

Red Hat CentOS Stream是美国红帽（Red Hat）公司的 开发之前持续交付的发行版，定位为 Fedora Linux 和 RHEL 之间的中游。 Red Hat CentOS Stream 8存在安全漏洞，该漏洞允许物理攻击者可利用该漏洞访问一个锁定的系统，以锁定用户的身份杀死现有的应用程序，并启动新的应用程序，即使会话仍然被锁定。

AI Predicted 5.6 Difficulty: Trivial EPSS 0.20% · P9
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I. Basic Information for CVE-2021-20315

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A locking protection bypass flaw was found in some versions of gnome-shell as shipped within CentOS Stream 8, when the "Application menu" or "Window list" GNOME extensions are enabled. This flaw allows a physical attacker who has access to a locked system to kill existing applications and start new ones as the locked user, even if the session is still locked.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
加锁机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat CentOS Stream 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat CentOS Stream是美国红帽（Red Hat）公司的 开发之前持续交付的发行版，定位为 Fedora Linux 和 RHEL 之间的中游。 Red Hat CentOS Stream 8存在安全漏洞，该漏洞允许物理攻击者可利用该漏洞访问一个锁定的系统，以锁定用户的身份杀死现有的应用程序，并启动新的应用程序，即使会话仍然被锁定。
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
- gnome-shell gnome-shell 3.32.2-40.el8 -

II. Public POCs for CVE-2021-20315

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III. Intelligence Information for CVE-2021-20315

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Vendor Advisories for CVE-2021-20315 (1)

Same Patch Batch · n/a · 2022-02-18 · 66 CVEs total

CVE-2022-25299 9.8 CRITICAL Arbitrary File Write
CVE-2021-23702 7.6 HIGH Prototype Pollution
CVE-2022-25298 7.5 HIGH Path Traversal
CVE-2021-46062 MingSoft MCMS 安全漏洞
CVE-2022-25134 TotoLink routers 命令注入漏洞
CVE-2022-25135 TotoLink routers 命令注入漏洞
CVE-2022-25133 TotoLink routers 命令注入漏洞
CVE-2021-46110 Online Shopping Portal 安全漏洞
CVE-2021-46082 Moxa Tn-5900 安全漏洞
CVE-2021-46063 MingSoft MCMS 代码代码注入漏洞
CVE-2021-40841 LiveConfig 路径遍历漏洞
CVE-2021-46037 MingSoft MCMS 安全漏洞
CVE-2021-46036 MingSoft MCMS 代码问题漏洞
CVE-2021-30650 Broadcom Symantec Layer7 API Management OAuth Toolkit跨站脚本漏洞
CVE-2020-8242 Packet Tide ExpressionEngine 安全漏洞
CVE-2021-3657 Sourceforge mbsync 缓冲区错误漏洞
CVE-2021-3947 QEMU 缓冲区错误漏洞
CVE-2021-3930 QEMU 安全漏洞
CVE-2021-20325 Red Hat Enterprise Linux 代码问题漏洞
CVE-2021-20322 Linux kernel 安全特征问题漏洞

Showing top 20 of 66 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: gnome-shell
Same vendor: n/a
Same weakness: CWE-667

V. Comments for CVE-2021-20315

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