Cybersecurity Alerts

Actively Exploited Vulnerabilities

The vulnerabilities listed below are sourced from the CISA Known Exploited Vulnerabilities catalog and represent security flaws that are actively being exploited in the wild. This list is updated daily. If you are unsure whether your systems are affected, contact us and we will help you assess your exposure.

CVE-2021-34448
Microsoft | Windows
Microsoft Windows Scripting Engine Memory Corruption Vulnerability
Microsoft Windows Scripting Engine contains an unspecified vulnerability that allows for memory corruption.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-33771
Microsoft | Windows
Microsoft Windows Kernel Privilege Escalation Vulnerability
Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-33742
Microsoft | Windows
Microsoft Windows MSHTML Platform Remote Code Execution Vulnerability
Microsoft Windows MSHTML Platform contains an unspecified vulnerability that allows for remote code execution.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-33739
Microsoft | Windows
Microsoft Desktop Window Manager (DWM) Core Library Privilege Escalation Vulnerability
Microsoft Desktop Window Manager (DWM) Core Library contains an unspecified vulnerability that allows for privilege escalation.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-31979
Microsoft | Windows
Microsoft Windows Kernel Privilege Escalation Vulnerability
Microsoft Windows kernel contains an unspecified vulnerability that allows for privilege escalation.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-31956
Microsoft | Windows
Microsoft Windows NTFS Privilege Escalation Vulnerability
Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-31955
Microsoft | Windows
Microsoft Windows Kernel Information Disclosure Vulnerability
Microsoft Windows Kernel contains an unspecified vulnerability that allows for information disclosure. Successful exploitation allows attackers to read the contents of kernel memory from a user-mode process.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-31755
Tenda | AC11 Router
Tenda AC11 Router Stack Buffer Overflow Vulnerability
Tenda AC11 devices contain a stack buffer overflow vulnerability in /goform/setmac which allows attackers to execute code via a crafted post request.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-31207Active Ransomware Campaign
Microsoft | Exchange Server
Microsoft Exchange Server Security Feature Bypass Vulnerability
Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-31201
Microsoft | Enhanced Cryptographic Provider
Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability
Microsoft Enhanced Cryptographic Provider contains an unspecified vulnerability that allows for privilege escalation.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-31199
Microsoft | Enhanced Cryptographic Provider
Microsoft Enhanced Cryptographic Provider Privilege Escalation Vulnerability
Microsoft Enhanced Cryptographic Provider contains an unspecified vulnerability that allows for privilege escalation.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30869
Apple | iOS, iPadOS, and macOS
Apple iOS, iPadOS, and macOS Type Confusion Vulnerability
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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30860
Apple | Multiple Products
Apple Multiple Products Integer Overflow Vulnerability
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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30858
Apple | iOS, iPadOS, and macOS
Apple iOS, iPadOS, macOS Use-After-Free Vulnerability
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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30807
Apple | Multiple Products
Apple Multiple Products Memory Corruption Vulnerability
Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30762
Apple | iOS
Apple iOS WebKit Use-After-Free Vulnerability
Apple iOS WebKit contains 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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30761
Apple | iOS
Apple iOS WebKit Memory Corruption Vulnerability
Apple iOS WebKit contains a memory corruption 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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30713
Apple | macOS
Apple macOS Unspecified Vulnerability
Apple macOS Transparency, Consent, and Control (TCC) contains an unspecified permissions issue which may allow a malicious application to bypass privacy preferences.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30666
Apple | iOS
Apple iOS WebKit Buffer Overflow Vulnerability
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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30665
Apple | Multiple Products
Apple Multiple Products WebKit Memory Corruption Vulnerability
Apple iOS, iPadOS, macOS, watchOS, and tvOS WebKit contain a memory corruption 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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30663
Apple | Multiple Products
Apple Multiple Products WebKit Integer Overflow Vulnerability
Apple iOS, iPadOS, macOS, tvOS, and Safari WebKit contain an integer 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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30661
Apple | Multiple Products
Apple Multiple Products WebKit Storage Use-After-Free Vulnerability
Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit Storage 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.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30657
Apple | macOS
Apple macOS Unspecified Vulnerability
Apple macOS contains an unspecified logic issue in System Preferences that may allow a malicious application to bypass Gatekeeper checks.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30633
Google | Chromium Indexed DB API
Google Chromium Indexed DB API Use-After-Free Vulnerability
Google Chromium Indexed DB API contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30632
Google | Chromium V8
Google Chromium V8 Out-of-Bounds Write Vulnerability
Google Chromium V8 Engine contains an out-of-bounds write vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30563
Google | Chromium V8
Google Chromium V8 Type Confusion Vulnerability
Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30554
Google | Chromium WebGL
Google Chromium WebGL Use-After-Free Vulnerability
Google Chromium WebGL contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30551
Google | Chromium V8
Google Chromium V8 Type Confusion Vulnerability
Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-30116Active Ransomware Campaign
Kaseya | Virtual System/Server Administrator (VSA)
Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability
Kaseya Virtual System/Server Administrator (VSA) contains an information disclosure vulnerability allowing an attacker to obtain the sessionId that can be used to execute further attacks against the system.
Added 2021-11-03
Remediation Deadline 2021-11-17
CVE-2021-28664
Arm | Mali Graphics Processing Unit (GPU)
Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability
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.
Added 2021-11-03
Remediation Deadline 2021-11-17