CISA Known Exploited Vulnerabilities (KEV)

CVE-2021-1732 - Microsoft Win32k Privilege Escalation Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Microsoft

Description : Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Known

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-1732

CVE-2019-1429 - Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability -

Action Due May 03, 2022 Target Vendor : Microsoft

Description : Microsoft Internet Explorer contains a memory corruption vulnerability which can allow for remote code execution in the context of the current user.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-1429

CVE-2021-30858 - Apple iOS, iPadOS, macOS Use-After-Free Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple iOS, iPadOS, and macOS WebKit contain a use-after-free 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-2021-30858

CVE-2019-6223 - Apple iOS and macOS Group Facetime Vulnerability -

Action Due May 03, 2022 Target Vendor : Apple

Description : Apple iOS and macOS Group FaceTime contains an unspecified vulnerability where the call initiator can cause the recipient's Apple device to answer unknowingly or without user interaction.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2019-6223

CVE-2021-30860 - Apple Multiple Products Integer Overflow Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple iOS, iPadOS, macOS, and watchOS CoreGraphics contain an integer overflow vulnerability which may allow code execution when processing a maliciously crafted PDF. The vulnerability is also known under the moniker of FORCEDENTRY.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2021-30860

CVE-2020-27930 - Apple Multiple Products Memory Corruption Vulnerability -

Action Due May 03, 2022 Target Vendor : Apple

Description : Apple iOS, iPadOS, macOS, and watchOS FontParser contain a memory corruption vulnerability which may allow for code execution when processing maliciously crafted front.

Action : Apply updates per vendor instructions.

Known To Be Used in Ransomware Campaigns? : Unknown

Notes : https://nvd.nist.gov/vuln/detail/CVE-2020-27930

CVE-2021-30807 - Apple Multiple Products Memory Corruption Vulnerability -

Action Due Nov 17, 2021 Target Vendor : Apple

Description : Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which 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-2021-30807

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