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April 2021

Vulnerabilities first published in this month (UTC), newest first.

← March 2021 2021 / April May 2021 →

All Critical High Medium Low Exploited only Public exploit

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Medium 6.8

CVE-2021-22204 Exploited Public exploit EPSS 100%

Improper neutralization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code exe…

ExifTool ExifTool libimage-exiftool-perl libimage-exiftool-perl Debian Ubuntu Alpine

Apr 23, 2021
KEV Nov 17, 2021
Medium 4.9

CVE-2021-20023 Exploited · Ransomware EPSS 52%

SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an…

SonicWall Email Security Network devices

Apr 20, 2021
KEV Nov 3, 2021
Medium 6.1

CVE-2021-1879 Exploited

This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and …

Apple iOS and iPadOS watchOS iOS iOS

Apr 2, 2021
KEV Nov 3, 2021