CVE-2024-39158 identifies a Cross-Site Request Forgery (CSRF) vulnerability in idccms version 1.35, specifically within the administrative endpoint /admin/userSys_deal.php?mudi=infoSet. CSRF vulnerabilities occur when an attacker tricks an authenticated user into submitting a malicious request without their consent, exploiting the user's active session. In this case, the vulnerability allows an attacker to perform unauthorized administrative actions by crafting a request that the victim's browser executes with their privileges. The vulnerability does not require prior authentication (PR:N) but does require user interaction (UI:R), meaning the victim must be logged in and visit a malicious page. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) indicates network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. This means an attacker can remotely exploit this vulnerability with relative ease, potentially leading to full administrative compromise, data leakage, unauthorized changes, or service disruption. No patches or known exploits are currently available, increasing the urgency for organizations to implement mitigations. CWE-352 classifies this as a CSRF vulnerability, a common web security issue that can be mitigated by standard web security practices. The vulnerability affects idccms, a content management system, which may be used in various regions but is more prevalent in Chinese-speaking markets. The lack of patch availability necessitates immediate defensive measures to reduce risk.

The impact of CVE-2024-39158 is significant for organizations using idccms version 1.35, especially those relying on its administrative interface for user and system management. Successful exploitation can lead to unauthorized administrative actions including modification of user accounts, configuration changes, or even full system compromise. This threatens confidentiality by exposing sensitive administrative data, integrity by allowing unauthorized changes, and availability by potentially disrupting CMS operations. Since the vulnerability can be exploited remotely without authentication, attackers can leverage social engineering or malicious websites to target administrators. This increases the attack surface and risk of widespread compromise. Organizations with public-facing idccms admin panels are particularly vulnerable. The absence of known exploits in the wild provides a window for proactive defense, but the high CVSS score indicates that once exploited, the consequences could be severe, including data breaches, defacement, or service outages. Industries relying on idccms for critical web infrastructure, such as government, education, or small to medium enterprises, may face operational and reputational damage.

To mitigate CVE-2024-39158, organizations should implement multiple layers of defense: 1) Apply any available patches or updates from the idccms vendor as soon as they are released. 2) If patches are not yet available, implement web application firewall (WAF) rules to detect and block suspicious CSRF attempts targeting /admin/userSys_deal.php. 3) Enforce strict CSRF protections by ensuring all state-changing requests require a unique, unpredictable CSRF token validated on the server side. 4) Restrict administrative interface access to trusted IP addresses or VPN-only access to reduce exposure. 5) Validate HTTP Referer headers on sensitive endpoints to confirm requests originate from legitimate sources. 6) Educate administrators to avoid clicking on untrusted links or visiting suspicious websites while logged into the CMS. 7) Monitor logs for unusual administrative activity that could indicate exploitation attempts. 8) Consider implementing multi-factor authentication (MFA) for administrative accounts to reduce risk from compromised credentials. These targeted measures go beyond generic advice by focusing on the specific vulnerable endpoint and attack vector.