10 min
Managed Detection and Response (MDR)
Malvertising Campaign Leads to Execution of Oyster Backdoor
Rapid7 has observed a recent malvertising campaign that lures users into downloading malicious installers for popular software such as Google Chrome and Microsoft Teams.
2 min
Emergent Threat Response
CVE-2024-28995: Trivially Exploitable Information Disclosure Vulnerability in SolarWinds Serv-U
On June 5, 2024, SolarWinds disclosed CVE-2024-28995, a high-severity directory traversal vulnerability affecting the Serv-U file transfer server. Successful exploitation of the vulnerability allows unauthenticated attackers to read sensitive files on the host.
4 min
Emergent Threat Response
CVE-2024-24919: Check Point Security Gateway Information Disclosure
On May 28, 2024, Check Point published an advisory for CVE-2024-24919, a high-severity information disclosure vulnerability affecting Check Point Security Gateway devices configured with either the “IPSec VPN” or “Mobile Access” software blade.
10 min
Managed Detection and Response (MDR)
CVE-2024-4978: Backdoored Justice AV Solutions Viewer Software Used in Apparent Supply Chain Attack
Justice AV Solutions (JAVS) is a U.S.-based company specializing in digital audio-visual recording solutions for courtroom environments.
Rapid7 has determined that users with JAVS Viewer v8.3.7 installed are at high risk and should take immediate action.
8 min
Incident Response
Ongoing Social Engineering Campaign Linked to Black Basta Ransomware Operators
Rapid7 observes ongoing social engineering campaign consistent with Black Basta
3 min
Emergent Threat Response
Unauthenticated CrushFTP Zero-Day Enables Complete Server Compromise
CVE-2024-4040 is an unauthenticated zero-day vulnerability in managed file transfer software CrushFTP. Successful exploitation allows for arbitrary file read as root, authentication bypass for administrator account access, and remote code execution.
4 min
Emergent Threat Response
CVE-2024-3400: Critical Command Injection Vulnerability in Palo Alto Networks Firewalls
On Friday, April 12, Palo Alto Networks published an advisory on CVE-2024-3400, a CVSS 10 vulnerability in several versions of PAN-OS, the operating system that runs on the company’s firewalls. CVE-2024-3400 allows for arbitrary code execution as root.
3 min
Emergent Threat Response
Backdoored XZ Utils (CVE-2024-3094)
On Friday, March 29, after investigating anomalous behavior in his Debian sid environment, developer Andres Freund contacted an open-source security mailing list to share that he had discovered an upstream backdoor in widely used command line tool XZ Utils (liblzma).
19 min
Emergent Threat Response
CVE-2024-27198 and CVE-2024-27199: JetBrains TeamCity Multiple Authentication Bypass Vulnerabilities (FIXED)
Rapid7’s vulnerability research team identified two new vulnerabilities affecting JetBrains TeamCity CI/CD server: CVE-2024-27198 and CVE-2024-27199, both of which are authentication bypasses.
3 min
Vulnerability Management
High-Risk Vulnerabilities in ConnectWise ScreenConnect
On February 19, 2024 ConnectWise disclosed two vulnerabilities in their ScreenConnect remote access software. Both vulnerabilities affect ScreenConnect 23.9.7 and earlier.
7 min
Incident Response
RCE to Sliver: IR Tales from the Field
Rapid7 Incident Response was engaged to investigate an incident involving unauthorized access to two publicly-facing Confluence servers that were the source of multiple malware executions.
2 min
Emergent Threat Response
Critical Fortinet FortiOS CVE-2024-21762 Exploited
CVE-2024-21762 is a critical out-of-bounds write vulnerability in Fortinet's FortiOS operating system that is known to have been exploited in the wild. Fortinet SSL VPN vulnerabilities are frequent targets for state-sponsored and other motivated adversaries.
2 min
Emergent Threat Response
CVE-2024-0204: Critical Authentication Bypass in Fortra GoAnywhere MFT
On January 22, 2024, Fortra published a security advisory on CVE-2024-0204, a critical authentication bypass affecting its GoAnywhere MFT secure managed file transfer product prior to version 7.4.1.
3 min
Emergent Threat Response
Critical CVEs in Outdated Versions of Atlassian Confluence and VMware vCenter Server
Rapid7 is highlighting two critical vulnerabilities in outdated versions of
widely deployed software this week. Atlassian disclosed
[http://confluence.atlassian.com/security/cve-2023-22527-rce-remote-code-execution-vulnerability-in-confluence-data-center-and-confluence-server-1333990257.html]
CVE-2023-22527, a template injection vulnerability in Confluence Server with a
maxed-out CVSS score of 10, while VMware pushed a fresh update to its October
2023 vCenter Server advisory
[http://www.vmwar
7 min
Emergent Threat Response
Zero-Day Exploitation of Ivanti Connect Secure and Policy Secure Gateways
Ivanti Connect Secure and Ivanti Policy Secure gateways have been exploited in the wild to gain access to corporate networks and conduct a range of nefarious activities, including backdooring legitimate files.