Archive

15 December 2021

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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High 7.8

CVE-2021-1048 Exploited

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lea…

linux-raspi2 linux-hwe linux-azure linux-riscv Android Debian Ubuntu

Dec 15, 2021
KEV May 23, 2022
Medium 6.4

CVE-2021-0920 Exploited

In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to loc…

linux-raspi2 linux-hwe linux-azure linux-riscv Android Debian Ubuntu

Dec 15, 2021
KEV May 23, 2022
High 7.1

CVE-2021-43890 Exploited · Ransomware EPSS 11%

Windows AppX Installer Spoofing Vulnerability

We have investigated reports of a spoofing vulnerability in AppX installer that affects Microsoft Windows. Microsoft is aware of attacks that attempt to exploit this vulnerability by using specially crafted packages that include the malware family known as Em…

Microsoft App Installer

Dec 15, 2021
KEV Dec 15, 2021
High 7.8

CVE-2021-43226 Exploited · Ransomware Public exploit

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Dec 15, 2021
KEV Oct 6, 2025