Security Vulnerabilities - Known exploited
CVE-2021-20023
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host.
Known exploited
CVSS Score
4.9
EPSS Score
0.672
Published
2021-04-20
CVE-2021-3493
The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Due to the combination of unprivileged user namespaces along with a patch carried in the Ubuntu kernel to allow unprivileged overlay mounts, an attacker could use this to gain elevated privileges.
Known exploited
CVSS Score
8.8
EPSS Score
0.731
Published
2021-04-17
CVE-2020-2509
A command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 Build 20210202 and later QTS 4.5.1.1495 Build 20201123 and later QTS 4.3.6.1620 Build 20210322 and later QTS 4.3.4.1632 Build 20210324 and later QTS 4.3.3.1624 Build 20210416 and later QTS 4.2.6 Build 20210327 and later QuTS hero h4.5.1.1491 build 20201119 and later
Known exploited
CVSS Score
9.8
EPSS Score
0.74
Published
2021-04-17
CVE-2021-28310
Win32k Elevation of Privilege Vulnerability
Known exploited
CVSS Score
7.8
EPSS Score
0.265
Published
2021-04-13
CVE-2021-20021
A vulnerability in the SonicWall Email Security version 10.0.9.x allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host.
Known exploited
CVSS Score
9.8
EPSS Score
0.85
Published
2021-04-09
CVE-2021-20022
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to upload an arbitrary file to the remote host.
Known exploited
CVSS Score
7.2
EPSS Score
0.463
Published
2021-04-09
CVE-2021-1870
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Known exploited
CVSS Score
9.8
EPSS Score
0.005
Published
2021-04-02
CVE-2021-1871
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Known exploited
CVSS Score
9.8
EPSS Score
0.01
Published
2021-04-02
CVE-2021-1879
This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..
Known exploited
CVSS Score
6.1
EPSS Score
0.02
Published
2021-04-02
CVE-2021-1782
A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..
Known exploited
CVSS Score
7.0
EPSS Score
0.061
Published
2021-04-02