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CVE-2025-23190: Medium Vulnerability in SAP Remote-Enabled Function Module

CVE-2025-23190 reveals a medium-severity vulnerability affecting SAP systems. An authenticated attacker can exploit this flaw to access restricted data without authorization. Immediate attention is required to mitigate associated risks.

MEDIUMCVSS 4.3 · Published February 11, 2025

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CVE-2025-23190 is classified as a medium-severity vulnerability due to missing authorization checks in SAP's remote-enabled function modules. This vulnerability allows an authenticated attacker to invoke specific function modules, leading to unauthorized access to sensitive data. Although the attacker can access this data, they cannot modify it or impact the system's availability, which somewhat mitigates the immediate risk.

The CVSS score for this vulnerability is 4.3, indicating a medium severity level. This score denotes a network attack vector with low complexity, requiring low privileges and no user interaction. The potential impacts on confidentiality are low, while integrity and availability remain unaffected. Organizations should prioritize addressing this vulnerability in their patch cycles to prevent potential data exposure.

As of now, there are no public exploits or proof-of-concept (PoC) code available for CVE-2025-23190. However, the lack of exploits does not diminish the need for vigilance. Organizations using affected SAP products should remain aware of the implications of this vulnerability and consider it within their broader security posture.

Organizations should prioritize patching immediately. The vulnerability was published on February 11, 2025, and is currently marked as deferred, indicating that a formal remediation timeline is yet to be established.

In summary, CVE-2025-23190 poses a medium risk to SAP systems due to its potential for unauthorized data access. Organizations must stay alert and implement necessary controls to mitigate associated risks.

Vulnerability Details

The vulnerability arises from a lack of authorization checks, allowing authenticated users to access restricted data through remote-enabled function modules. The official CVE description states, 'Due to missing authorization check, an authenticated attacker could call a remote-enabled function module which allows them to access data that they would otherwise not have access to.' This is classified under CWE-862, indicating improper authorization.

The CVSS score of 4.3 places this vulnerability in the medium severity category, with a vector that suggests a network attack with low complexity. The attacker needs low privileges and does not require user interaction, which increases the risk of exploitation.

Published on February 11, 2025, CVE-2025-23190 is still marked as deferred, indicating that the vendor has not yet provided a patch. Organizations should keep abreast of further updates from SAP, as the situation may evolve.

Technical Analysis

The root cause of CVE-2025-23190 is the absence of an adequate authorization mechanism in the affected remote-enabled function modules. This oversight allows authenticated attackers to invoke functions without obtaining proper permissions, thus risking unauthorized data access.

The attack vector is classified as network-based, meaning an attacker would need network access to the vulnerable system. Given the low attack complexity and low privileges required, the exploitation of this vulnerability could be relatively straightforward for an attacker with network access.

There are no requirements for user interaction, which makes this vulnerability particularly concerning. The confidentiality impact is rated as low, while integrity and availability impacts are both rated as none, minimizing the potential for data manipulation or service disruptions.

Risk & Impact Analysis

The deployment of CVE-2025-23190 presents a real-world risk, particularly for organizations that rely heavily on SAP systems for sensitive data management. The potential for unauthorized access to data could lead to compliance issues, loss of customer trust, and reputational damage.

Organizations should assess the potential blast radius of this vulnerability, especially if sensitive data is involved. The low complexity of the attack means that even less sophisticated attackers could exploit this vulnerability, heightening the urgency for remediation measures.

Given the CVSS score of 4.3, organizations should address this vulnerability within their priority patch cycle. The evolving nature of threats in the cybersecurity landscape calls for continuous monitoring and adaptation of security measures.

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

Specific version information for SAP products affected by CVE-2025-23190 is currently unavailable. Until further information is released, organizations should assume that all versions prior to future patches are potentially vulnerable.

Mitigation & Remediation

Organizations should apply patches and updates as soon as they become available. In the absence of a patch, implementing robust access controls and monitoring mechanisms is crucial to mitigate potential exploitation of this vulnerability.

Regular security assessments, including penetration testing, can help identify vulnerabilities and ensure compliance with security policies. For further guidance on assessing your security posture, organizations can refer to our penetration testing services that cater to SAP environments.

Detection Guidance

Monitoring logs for unauthorized access attempts to remote-enabled function modules can serve as an essential detection mechanism. Behavioral anomalies, such as unusual access patterns by authenticated users, should also be investigated.

AppSecure Threat Intelligence Insight

CVE-2025-23190 highlights a critical need for ongoing vigilance in authorization checks within SAP systems. As the landscape of vulnerabilities continues to evolve, security teams must prioritize the assessment of existing controls and the implementation of best practices.

Regular reviews of security policies and procedures can help organizations stay one step ahead of potential threats. For more insights into proactive security measures, explore our vulnerability management program and our guide on penetration testing methodology to better understand the threat landscape.

Finally, leveraging our expertise through services like red teaming can provide organizations with a comprehensive understanding of their security posture.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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