CVE-2024-7694
TeamT5 ThreatSonar Anti-Ransomware Unrestricted Upload of File with Dangerous Type Vulnerability
Description
CVE-2024-7694 is a high-severity unrestricted file upload vulnerability in TeamT5 ThreatSonar Anti-Ransomware versions prior to 1.1.0. The vulnerability allows an authenticated administrator to upload arbitrary files to the server, potentially leading to remote code execution. Rated CVSS v3.1 base score 7.2 (High severity) with a vector of CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, the flaw requires high-privilege authentication but offers maximum impact across confidentiality, integrity, and availability once exploited. This vulnerability is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog with a remediation deadline of March 10, 2026. TeamT5 has released version 1.1.0 to address the issue, as detailed in their advisory TSA-2024-001.
KEV Information
CVSS Score
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HOpen in CalculatorAffected Products
| Vendor | Product | Version |
|---|---|---|
| teamt5 | threatsonar anti-ransomware | < 3.5.0 |
References
- https://www.twcert.org.tw/en/cp-139-8000-e5a5c-2.html(Third Party Advisory)
- https://www.twcert.org.tw/tw/cp-132-7998-d76dd-1.html(Third Party Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-7694(US Government Resource)
Weakness Type
CWE-434: Unrestricted Upload of File with Dangerous Type
CVE-2024-7694 is classified under CWE-434, which describes a condition where an application allows users to upload files without properly verifying that the file type, content, and name are safe. In ThreatSonar Anti-Ransomware, the file upload mechanism accessible to authenticated administrators does not adequately restrict the types of files that can be uploaded. An attacker with administrator credentials can upload executable files, web shells, or other malicious payloads that are then stored on the server in a location where they can be accessed and executed. This weakness is especially concerning in security products because these tools typically operate with elevated system privileges, meaning code execution through a file upload can grant an attacker extensive control over the host system and its protected environment.
Impact Analysis
Full System Compromise via Code Execution is the primary risk of CVE-2024-7694. Although the vulnerability requires high-privilege authentication (PR:H), successful exploitation delivers maximum impact across all three CIA dimensions (C:H/I:H/A:H). An attacker who gains administrative access to the ThreatSonar management console can upload a malicious file that achieves remote code execution on the server.
Confidentiality Impact is high because ThreatSonar Anti-Ransomware is a security product that collects and processes sensitive telemetry from protected endpoints. Code execution on the ThreatSonar server could expose threat detection data, endpoint inventory information, security configurations, and potentially credentials used to communicate with managed endpoints. Exfiltration of this data provides an attacker with detailed knowledge of the organization's security posture.
Integrity Impact is equally severe. An attacker with code execution on the anti-ransomware platform can disable detection capabilities, whitelist malicious binaries, modify alerting rules to suppress warnings, or push malicious configurations to managed endpoints. Compromising the security product effectively blinds the organization to ongoing or future attacks.
Availability Impact is high because disruption of the anti-ransomware platform removes a critical layer of defense. An attacker can render the protection inoperative, delete detection signatures, or cause service outages that leave endpoints unprotected.
Strategic Significance of this vulnerability is amplified by the nature of the affected product. Security tools like anti-ransomware solutions are high-value targets for sophisticated attackers because compromising them provides both access to sensitive security data and the ability to disable defensive capabilities. The EPSS score of 0.04553 (90.11th percentile) confirms meaningful exploitation activity despite the requirement for administrator credentials.
Exploit Maturity
CVE-2024-7694 is confirmed as actively exploited, as evidenced by its inclusion in CISA's Known Exploited Vulnerabilities (KEV) catalog with a remediation deadline of March 10, 2026. The EPSS score of 0.04553 (90.11th percentile) indicates above-average exploitation probability, though the requirement for administrator-level authentication (PR:H) narrows the attacker pool compared to unauthenticated vulnerabilities.
Exploitation Requirements include valid administrator credentials for the ThreatSonar Anti-Ransomware management interface. These credentials may be obtained through credential theft, phishing, password spraying against the management console, or exploitation of other vulnerabilities in the environment. Once authenticated, the file upload exploitation itself is straightforward with low attack complexity (AC:L) and no user interaction required (UI:N).
Attack Scenario Context: The active exploitation noted by CISA indicates that threat actors are successfully combining credential acquisition with this file upload vulnerability to compromise ThreatSonar deployments. TeamT5 has documented the vulnerability and its remediation in advisory TSA-2024-001. CISA lists the ransomware association as "Unknown," though the irony of a ransomware protection tool being vulnerable to exploitation that could facilitate ransomware deployment is notable.
Remediation
Upgrade to ThreatSonar Anti-Ransomware 1.1.0 or Later. TeamT5 has released version 1.1.0 to address the file upload vulnerability. All deployments running versions prior to 1.1.0 should be upgraded immediately. Follow the instructions in TeamT5's security advisory TSA-2024-001 for upgrade procedures.
Enforce Strong Authentication for the ThreatSonar management console. Implement multi-factor authentication (MFA) for all administrator accounts to reduce the risk of credential compromise. Review and remove any unnecessary administrator accounts, and enforce strong password policies.
Restrict Management Interface Access by limiting network access to the ThreatSonar administration interface. Only authorized security personnel from trusted network segments should be able to reach the management console. Use VPN requirements or IP-based access control lists to minimize the attack surface.
Audit Administrator Activity for signs of exploitation. Review authentication logs for the ThreatSonar management console for unusual login patterns, failed authentication attempts, or logins from unexpected source addresses. Check file system audit logs for uploaded files with executable extensions or suspicious content.
Monitor Security Product Integrity by implementing external monitoring that can detect if ThreatSonar Anti-Ransomware becomes unresponsive, has its configuration altered, or stops reporting to centralized management. Security products should themselves be monitored for compromise indicators.
Review the Broader Security Architecture to ensure that compromise of a single security tool cannot cascade into full environment compromise. Apply the principle of least privilege to service accounts used by ThreatSonar, and segment the management network from the production environment.
Technical Details
CVE-2024-7694 affects TeamT5 ThreatSonar Anti-Ransomware, an endpoint security product designed to detect and prevent ransomware attacks. The vulnerability exists in the product's file upload functionality accessible through the administrative web interface in versions prior to 1.1.0.
Vulnerability Mechanics: The management interface of ThreatSonar Anti-Ransomware includes file upload capabilities for legitimate administrative purposes such as configuration imports, signature updates, or diagnostic data collection. The vulnerable code path does not properly validate the type, extension, or content of uploaded files. An authenticated administrator can upload files with dangerous types including executable binaries, script files, or web shells that the server stores in a web-accessible location or otherwise processes in a way that leads to code execution.
Authentication Requirement: The CVSS vector indicates that high privileges are required (PR:H), meaning the attacker must possess valid administrator credentials. This is a significant prerequisite, but it is routinely achievable through credential phishing, brute-force attacks against weak passwords, credential reuse from other breaches, or social engineering targeting IT security personnel.
Attack Complexity and Execution: Once authenticated, exploitation is straightforward (AC:L). The attacker uploads a malicious file, such as a web shell in the language of the web application framework, through the standard file upload interface. If the uploaded file is stored in a web-accessible directory without proper restrictions, the attacker can then request the uploaded file via HTTP to trigger execution. Alternatively, if the server processes uploaded files automatically (e.g., as configuration or plugin files), execution may occur without additional attacker action.
Impact Scope: The unchanged scope (S:U) indicates that the impact is contained to the vulnerable system itself. However, as a security appliance with network visibility and management access to endpoints, the ThreatSonar server represents a strategically significant asset. Code execution on this host provides access to endpoint telemetry, the ability to modify detection policies, and potentially credentials for communicating with managed endpoints.
Affected Versions: All TeamT5 ThreatSonar Anti-Ransomware versions prior to 1.1.0 are vulnerable. The fix in version 1.1.0 implements proper file type validation, content inspection, and upload restrictions for the administrative file upload functionality.
Frequently Asked Questions
What is CVE-2024-7694?
CVE-2024-7694 is an unrestricted file upload vulnerability in TeamT5 ThreatSonar Anti-Ransomware that allows an authenticated administrator to upload arbitrary files, potentially leading to remote code execution on the server. It is rated 7.2 High on the CVSS v3.1 scale.
Does exploiting CVE-2024-7694 require authentication?
Yes. The vulnerability requires high-privilege (administrator) authentication to the ThreatSonar management console. An attacker must first obtain valid administrator credentials before they can exploit the file upload functionality.
What versions are affected by CVE-2024-7694?
All versions of TeamT5 ThreatSonar Anti-Ransomware prior to version 1.1.0 are affected. TeamT5 has released version 1.1.0 with the fix, as documented in their advisory TSA-2024-001.
Is CVE-2024-7694 being actively exploited?
Yes. CISA has added this vulnerability to its Known Exploited Vulnerabilities (KEV) catalog with a remediation deadline of March 10, 2026. The EPSS score of 0.04553 (90.11th percentile) confirms meaningful exploitation activity.
Why is a security product vulnerability particularly concerning?
Compromising an anti-ransomware product gives attackers the ability to disable protection, suppress alerts, access security telemetry about the entire protected environment, and potentially push malicious configurations to managed endpoints. This makes the security tool a force multiplier for subsequent attacks.
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