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-2021-22894
Ivanti | Pulse Connect Secure
Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability
Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.
CVE-2021-22893Active Ransomware Campaign
Ivanti | Pulse Connect Secure
Ivanti Pulse Connect Secure Use-After-Free Vulnerability
Ivanti Pulse Connect Secure contains a use-after-free vulnerability that allow a remote, unauthenticated attacker to execute code via license services.
CVE-2021-22506
Micro Focus | Micro Focus Access Manager
Micro Focus Access Manager Information Leakage Vulnerability
Micro Focus Access Manager contains an information leakage vulnerability resulting from a SAML service provider redirection issue when the Assertion Consumer Service URL is used.
CVE-2021-22502
Micro Focus | Operation Bridge Reporter (OBR)
Micro Focus Operation Bridge Report (OBR) Remote Code Execution Vulnerability
Micro Focus Operation Bridge Report (OBR) contains an unspecified vulnerability that allows for remote code execution.
CVE-2021-22205Active Ransomware Campaign
GitLab | Community and Enterprise Editions
GitLab Community and Enterprise Editions Remote Code Execution Vulnerability
GitHub Community and Enterprise Editions that utilize the ability to upload images through GitLab Workhorse are vulnerable to remote code execution. Workhorse passes image file extensions through ExifTool, which improperly validates the image files.
CVE-2021-22005Active Ransomware Campaign
VMware | vCenter Server
VMware vCenter Server File Upload Vulnerability
VMware vCenter Server contains a file upload vulnerability in the Analytics service that allows a user with network access to port 443 to execute code.
CVE-2021-21985Active Ransomware Campaign
VMware | vCenter Server
VMware vCenter Server Improper Input Validation Vulnerability
VMware vSphere Client contains an improper input validation vulnerability in the Virtual SAN Health Check plug-in, which is enabled by default in vCenter Server, which allows for remote code execution.
CVE-2021-21972Active Ransomware Campaign
VMware | vCenter Server
VMware vCenter Server Remote Code Execution Vulnerability
VMware vCenter Server vSphere Client contains a remote code execution vulnerability in a vCenter Server plugin which allows an attacker with network access to port 443 to execute commands with unrestricted privileges on the underlying operating system.
CVE-2021-21224
Google | Chromium V8
Google Chromium V8 Type Confusion Vulnerability
Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to execute code inside a sandbox 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-2021-21220
Google | Chromium V8
Google Chromium V8 Improper Input Validation Vulnerability
Google Chromium V8 Engine contains an improper input validation 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-2021-21206
Google | Chromium Blink
Google Chromium Blink Use-After-Free Vulnerability
Google Chromium Blink 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-2021-21193
Google | Chromium Blink
Google Chromium Blink Use-After-Free Vulnerability
Google Chromium Blink 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-2021-21166
Google | Chromium
Google Chromium Race Condition Vulnerability
Google Chromium contains a race condition 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-2021-21148
Google | Chromium V8
Google Chromium V8 Heap Buffer Overflow Vulnerability
Google Chromium V8 Engine contains a heap buffer overflow 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-2021-21017
Adobe | Acrobat and Reader
Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability
Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user.
CVE-2021-20090
Arcadyan | Buffalo Firmware
Arcadyan Buffalo Firmware Path Traversal Vulnerability
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.
CVE-2021-20023Active Ransomware Campaign
SonicWall | SonicWall Email Security
SonicWall Email Security Path Traversal Vulnerability
SonicWall Email Security contains a path traversal vulnerability that allows a post-authenticated attacker to read files on the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20022 to achieve privilege escalation.
CVE-2021-20022Active Ransomware Campaign
SonicWall | SonicWall Email Security
SonicWall Email Security Unrestricted Upload of File Vulnerability
SonicWall Email Security contains an unrestricted upload of file with dangerous type vulnerability that allows a post-authenticated attacker to upload a file to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20023 to achieve privilege escalation.
CVE-2021-20021Active Ransomware Campaign
SonicWall | SonicWall Email Security
SonicWall Email Security Improper Privilege Management Vulnerability
SonicWall Email Security contains an improper privilege management vulnerability that allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20022 and CVE-2021-20023 to achieve privilege escalation.
CVE-2021-20016Active Ransomware Campaign
SonicWall | SSLVPN SMA100
SonicWall SSLVPN SMA100 SQL Injection Vulnerability
SonicWall SSLVPN SMA100 contains a SQL injection vulnerability that allows remote exploitation for credential access by an unauthenticated attacker.
CVE-2021-1906
Qualcomm | Multiple Chipsets
Qualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability
Multiple Qualcomm chipsets contain a detection of error condition without action vulnerability when improper handling of address deregistration on failure can lead to new GPU address allocation failure.
CVE-2021-1905
Qualcomm | Multiple Chipsets
Qualcomm Multiple Chipsets Use-After-Free Vulnerability
Multiple Qualcomm Chipsets contain a use after free vulnerability due to improper handling of memory mapping of multiple processes simultaneously.
CVE-2021-1879
Apple | iOS, iPadOS, and watchOS
Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability
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.
CVE-2021-1871
Apple | iOS, iPadOS, and macOS
Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability
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.
CVE-2021-1870
Apple | iOS, iPadOS, and macOS
Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability
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.
CVE-2021-1782
Apple | Multiple Products
Apple Multiple Products Race Condition Vulnerability
Apple iOS, iPadOs, macOS, watchOS, and tvOS contain a race condition vulnerability that may allow a malicious application to elevate privileges.
CVE-2021-1732Active Ransomware Campaign
Microsoft | Win32k
Microsoft Win32k Privilege Escalation Vulnerability
Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.
CVE-2021-1675Active Ransomware Campaign
Microsoft | Windows
Microsoft Windows Print Spooler Remote Code Execution Vulnerability
Microsoft Windows Print Spooler contains an unspecified vulnerability that allows for remote code execution.
CVE-2021-1647
Microsoft | Defender
Microsoft Defender Remote Code Execution Vulnerability
Microsoft Defender contains an unspecified vulnerability that allows for remote code execution.
CVE-2021-1498
Cisco | HyperFlex HX
Cisco HyperFlex HX Data Platform Command Injection Vulnerability
Cisco HyperFlex HX Installer Virtual Machine contains an insufficient input validation vulnerability which could allow an attacker to execute commands on an affected device as the tomcat8 user.