CVE-2025-24989 is classified as an improper access control vulnerability in Microsoft Power Pages. With a CVSS score of 8.2, this high-severity vulnerability allows an unauthorized attacker to elevate privileges over a network, potentially bypassing the user registration control. This vulnerability has already been mitigated in the service, and all affected customers have been notified.
The vulnerability's exploitation could lead to unauthorized access and privilege escalation, which poses a significant risk to organizations using Microsoft Power Pages. The urgency for defenders is critical, especially for those who have not yet applied the necessary updates. Affected customers have been provided with instructions to review their sites for potential exploitation and clean-up methods.
Organizations should prioritize patching immediately to prevent unauthorized access. The vulnerability was published on February 19, 2025, and has been analyzed for potential exploitation and impact.
Given its high CVSS score and the potential for exploitation, this vulnerability should be taken seriously by all organizations using the affected product.
Vulnerability Details
The official description of this vulnerability states: 'An improper access control vulnerability in Power Pages allows an unauthorized attacker to elevate privileges over a network potentially bypassing the user registration control. This vulnerability has already been mitigated in the service and all affected customers have been notified.' The CVSS score assigned to this vulnerability is 8.2, indicating high severity due to its potential impact on confidentiality, integrity, and availability.
The affected product is Microsoft Power Pages, and it has been classified under CWE-284 for improper access control. The vulnerability is categorized as having a low attack complexity, requiring no privileges or user interaction for exploitation.
Technical Analysis
The root cause of this vulnerability lies in improper access controls within Microsoft Power Pages, which fails to adequately enforce user registration protocols. Attackers may exploit this weakness over a network, taking advantage of the low attack complexity to gain unauthorized privileges without needing any user interaction.
Given the nature of this vulnerability, attackers may leverage it to access sensitive information or perform actions that are normally restricted. The attack vector is network-based, with no required privileges or user interaction, making it particularly dangerous.
Risk & Impact Analysis
Risk to organizations includes potential unauthorized access and the ability to manipulate user accounts. This could lead to data breaches, loss of sensitive information, and significant reputational damage. Organizations using Microsoft Power Pages must assess their exposure to this vulnerability and act accordingly.
The urgency of addressing this vulnerability is underscored by its high CVSS score and the fact that it is included in the Known Exploited Vulnerabilities (KEV) catalog. Organizations should prioritize remediation efforts to mitigate potential risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The affected product is Microsoft Power Pages. All versions prior to the vendor patch are susceptible to this vulnerability.
Mitigation & Remediation
Organizations are advised to apply the mitigations per vendor instructions available at Microsoft's Security Update Guide. Following the BOD 22-01 guidance for cloud services is also recommended. If mitigations are unavailable, organizations should consider discontinuing the use of the product.
Detection Guidance
Organizations should monitor logs for unusual access patterns and behavioral anomalies that may indicate attempts to exploit this vulnerability. Establishing network signatures that can detect unauthorized access attempts is also crucial.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-24989 lies in its representation of the ongoing challenges organizations face with improper access controls. This vulnerability highlights the importance of robust security measures and regular audits to identify and mitigate similar weaknesses.
Security teams should learn from this incident by reviewing their access controls and ensuring they are effectively enforced. The patterns observed in this vulnerability serve as a crucial reminder for the need for continuous security assessments.
Organizations are encouraged to engage in proactive security testing to identify vulnerabilities before they can be exploited. For more insights, consider reviewing our penetration testing methodology and adopting a comprehensive security strategy.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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