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-2021-30661
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.
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.
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.
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.
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.
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.
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.
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.
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.
CVE-2021-28663
Arm | Mali Graphics Processing Unit (GPU)
Arm Mali Graphics Processing Unit (GPU) Use-After-Free Vulnerability
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.
CVE-2021-28550
Adobe | Acrobat and Reader
Adobe Acrobat and Reader Use-After-Free Vulnerability
Adobe Acrobat and Reader contains a use-after-free vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.
CVE-2021-28310
Microsoft | Win32k
Microsoft Win32k Privilege Escalation Vulnerability
Microsoft Windows Win32k contains an unspecified vulnerability that allows for privilege escalation.
CVE-2021-27562
Arm | Trusted Firmware
Arm Trusted Firmware Out-of-Bounds Write Vulnerability
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.
CVE-2021-27561
Yealink | Device Management
Yealink Device Management Server-Side Request Forgery (SSRF) Vulnerability
Yealink Device Management contains a server-side request forgery (SSRF) vulnerability that allows for unauthenticated remote code execution.
CVE-2021-27104Active Ransomware Campaign
Accellion | FTA
Accellion FTA OS Command Injection Vulnerability
Accellion FTA contains an OS command injection vulnerability exploited via a crafted POST request to various admin endpoints.
CVE-2021-27103Active Ransomware Campaign
Accellion | FTA
Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability
Accellion FTA contains a server-side request forgery (SSRF) vulnerability exploited via a crafted POST request to wmProgressstat.html.
CVE-2021-27102Active Ransomware Campaign
Accellion | FTA
Accellion FTA OS Command Injection Vulnerability
Accellion FTA contains an OS command injection vulnerability exploited via a local web service call.
CVE-2021-27101Active Ransomware Campaign
Accellion | FTA
Accellion FTA SQL Injection Vulnerability
Accellion FTA contains a SQL injection vulnerability exploited via a crafted host header in a request to document_root.html.
CVE-2021-27085
Microsoft | Internet Explorer
Microsoft Internet Explorer Remote Code Execution Vulnerability
Microsoft Internet Explorer contains an unspecified vulnerability that allows for remote code execution.
CVE-2021-27065Active Ransomware Campaign
Microsoft | Exchange Server
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
CVE-2021-27059
Microsoft | Office
Microsoft Office Remote Code Execution Vulnerability
Microsoft Office contains an unspecified vulnerability that allows for remote code execution.
CVE-2021-26858Active Ransomware Campaign
Microsoft | Exchange Server
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
CVE-2021-26857Active Ransomware Campaign
Microsoft | Exchange Server
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
CVE-2021-26855Active Ransomware Campaign
Microsoft | Exchange Server
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
CVE-2021-26411Active Ransomware Campaign
Microsoft | Internet Explorer
Microsoft Internet Explorer Memory Corruption Vulnerability
Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption.
CVE-2021-26084Active Ransomware Campaign
Atlassian | Confluence Server and Data Center
Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability
Atlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code.
CVE-2021-23874
McAfee | McAfee Total Protection (MTP)
McAfee Total Protection (MTP) Improper Privilege Management Vulnerability
McAfee Total Protection (MTP) contains an improper privilege management vulnerability that allows a local user to gain elevated privileges and execute code, bypassing MTP self-defense.
CVE-2021-22986Active Ransomware Campaign
F5 | BIG-IP and BIG-IQ Centralized Management
F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability
F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability in the iControl REST interface that allows unauthenticated attackers with network access to execute system commands, create or delete files, and disable services.
CVE-2021-22900
Ivanti | Pulse Connect Secure
Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability
Ivanti Pulse Connect Secure contains an unrestricted file upload vulnerability that allows an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.
CVE-2021-22899
Ivanti | Pulse Connect Secure
Ivanti Pulse Connect Secure Command Injection Vulnerability
Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution via Windows File Resource Profiles.