CISA Known Exploited Vulnerabilities (KEV)

CVE-2020-27950 - Apple Multiple Products Memory Initialization Vulnerability -

Action Due May 03, 2022 Target Vendor : Apple

Description : Apple iOS, iPadOS, macOS, and watchOS contain a memory initialization vulnerability that may allow a malicious application to disclose kernel memory.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-27950

CVE-2020-27932 - Apple Multiple Products Type Confusion Vulnerability -

Action Due May 03, 2022 Target Vendor : Apple

Description : Apple iOS, iPadOS, macOS, and watchOS contain a type confusion vulnerability that may allow a malicious application to execute code with kernel privileges.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-27932

CVE-2020-9818 - Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability -

Action Due May 03, 2022 Target Vendor : Apple

Description : Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-9818

CVE-2020-9819 - Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability -

Action Due May 03, 2022 Target Vendor : Apple

Description : Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-9819

CVE-2021-1782 - Apple Multiple Products Race Condition Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple iOS, iPadOs, macOS, watchOS, and tvOS contain a race condition vulnerability that may allow a malicious application to elevate privileges.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-1782

CVE-2021-1870 - Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple iOS, iPadOS, and macOS WebKit contain an unspecified logic vulnerability that allows a remote attacker to execute code. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-1870

CVE-2021-1879 - Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple iOS, iPadOS, and watchOS WebKit contain an unspecified vulnerability that allows for universal cross-site scripting (XSS) when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-1879

CVE-2021-30666 - Apple iOS WebKit Buffer Overflow Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple iOS WebKit contains a buffer-overflow vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-30666

CVE-2021-30713 - Apple macOS Unspecified Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple macOS Transparency, Consent, and Control (TCC) contains an unspecified permissions issue which may allow a malicious application to bypass privacy preferences.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-30713

CVE-2021-30657 - Apple macOS Unspecified Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-30657

CVE-2021-33742 - Microsoft Windows MSHTML Platform Remote Code Execution Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Microsoft

Description : Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for remote code execution.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-33742

CVE-2021-30869 - Apple iOS, iPadOS, and macOS Type Confusion Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple iOS, iPadOS, and macOS contain a type confusion vulnerability in the XNU which may allow a malicious application to execute code with kernel privileges.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-30869

CVE-2020-9859 - Apple Multiple Products Code Execution Vulnerability -

Action Due May 03, 2022 Target Vendor : Apple

Description : Apple iOS, iPadOS, macOS, watchOS, and tvOS contain an unspecified vulnerability that may allow an application to execute code with kernel privileges.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-9859

CVE-2021-20090 - Arcadyan Buffalo Firmware Path Traversal Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Arcadyan

Description : Arcadyan Buffalo firmware contains a path traversal vulnerability that could allow unauthenticated, remote attackers to bypass authentication and access sensitive information. This vulnerability affects multiple routers across several different vendors.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-20090

CVE-2021-27562 - Arm Trusted Firmware Out-of-Bounds Write Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Arm

Description : Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-27562

CVE-2021-28664 - Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Arm

Description : Arm Mali Graphics Processing Unit (GPU) kernel driver contains an unspecified vulnerability that may allow a non-privileged user to gain write access to read-only memory, gain root privilege, corrupt memory, and modify the memory of other processes.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-28664

CVE-2021-28663 - Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Arm

Description : Arm Mali Graphics Processing Unit (GPU) kernel driver contains a use-after-free vulnerability that may allow a non-privileged user to make improper operations on GPU memory to gain root privilege, and/or disclose information.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-28663

CVE-2021-26084 - Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Atlassian

Description : Atlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Known

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-26084

CVE-2019-11580 - Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability -

Action Due May 03, 2022 Target Vendor : Atlassian

Description : Atlassian Crowd and Crowd Data Center contain a remote code execution vulnerability resulting from a pdkinstall development plugin being incorrectly enabled in release builds.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-11580

CVE-2019-3396 - Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerability -

Action Due May 03, 2022 Target Vendor : Atlassian

Description : Atlassian Confluence Server and Data Center contain a server-side template injection vulnerability that may allow an attacker to achieve path traversal and remote code execution.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Known

Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-3396