CVE-2025-49704 is a high-severity vulnerability affecting Microsoft SharePoint Server. This vulnerability allows an authorized attacker to execute code over a network due to improper control of code generation, commonly referred to as code injection. With a CVSS score of 8.8, it poses a significant risk to organizations using affected versions of SharePoint Server.
The implications of this vulnerability are critical. If exploited, it could lead to unauthorized access to sensitive data and potentially allow attackers to manipulate the SharePoint environment. As such, organizations should prioritize remediation efforts to reduce the risk associated with this vulnerability.
Currently, this vulnerability is listed in the Known Exploited Vulnerabilities (KEV) catalog, which indicates active exploitation is feasible. Organizations must act swiftly to implement patches or mitigation strategies to protect their environments.
Organizations should prioritize patching immediately. The urgency is underscored by the potential for significant impacts on confidentiality, integrity, and availability of systems affected by this vulnerability.
Vulnerability Details
The official description of CVE-2025-49704 indicates that improper control of code generation in Microsoft Office SharePoint enables an authorized attacker to execute code over a network. This vulnerability falls under the CWE classification of code injection (CWE-94).
The CVSS score of 8.8 reflects the high severity of this vulnerability, highlighting the risks associated with its exploitation. The vulnerability affects Microsoft SharePoint Server versions 2016 and 2019.
The vulnerability was published on July 8, 2025, and has been analyzed for its impact and exploitability. Organizations utilizing SharePoint should be vigilant and ensure they are running patched versions.
Technical Analysis
The root cause of CVE-2025-49704 lies in the improper control of code generation within SharePoint. The attack vector is through the network, which allows for remote exploitation. The attack complexity is classified as low, meaning that minimal effort is required to exploit the vulnerability.
Exploitation of this vulnerability requires low privileges, as attackers could leverage existing authorized access. Importantly, user interaction is not required to trigger the vulnerability. The potential impacts are severe, with high implications for confidentiality, integrity, and availability.
Risk & Impact Analysis
The risk to organizations includes the potential for unauthorized access to sensitive data, manipulation of SharePoint environments, and broader network compromise. The blast radius could extend to any systems that interact with SharePoint, making the impact significant.
Given the high CVSS score of 8.8 and its presence in the KEV catalog, organizations should address this vulnerability in priority patch cycles. Delays in remediation could lead to severe consequences, including data breaches and loss of system integrity.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | Yes |
Ransomware Use | Yes |
Affected Versions
The affected versions of Microsoft SharePoint Server include 2016 and 2019. Organizations running these versions must ensure that they are updated to the latest patches to mitigate the risks associated with this vulnerability.
Mitigation & Remediation
To remediate CVE-2025-49704, organizations should follow the patching instructions provided by Microsoft. It is critical to update to the latest version of SharePoint Server to address this vulnerability. For those unable to apply the patch immediately, implementing network controls and monitoring for unusual activities can serve as interim measures.
Organizations should also validate remediation through penetration testing to identify similar weaknesses.
Detection Guidance
Monitoring logs for indicators of exploitation attempts is crucial. Organizations should look for behavioral anomalies and network signatures that deviate from normal operations. Additionally, any unexpected changes to system configurations or user access levels should be scrutinized.
AppSecure Threat Intelligence Insight
CVE-2025-49704 highlights the importance of maintaining secure coding practices within development cycles. The trends indicating code injection vulnerabilities represent a significant area of concern for security teams. Lessons learned from this vulnerability should inform future development and security practices.
Security teams should consider implementing a comprehensive vulnerability management program to proactively address and mitigate similar vulnerabilities in the future.
Furthermore, regularly scheduled penetration testing can enhance the security posture against evolving threats.
Lastly, organizations should stay informed about security trends and emerging vulnerabilities by engaging with ongoing security discussions and resources available at AppSecure for the latest insights.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)