CVE-2025-42989: CWE-862: Missing Authorization in SAP_SE SAP NetWeaver Application Server for ABAP
RFC inbound processing�does not perform necessary authorization checks for an authenticated user, resulting in escalation of privileges. On successful exploitation the attacker could critically impact both integrity and availability of the application.
AI Analysis
Technical Summary
CVE-2025-42989 is a critical vulnerability identified in SAP SE's NetWeaver Application Server for ABAP, specifically affecting versions KERNEL 7.89, 7.93, 9.14, and 9.15. The vulnerability is categorized under CWE-862, which denotes missing authorization. The core issue lies in the RFC (Remote Function Call) inbound processing component, which fails to perform necessary authorization checks for authenticated users. This flaw allows an attacker who has valid authentication credentials but limited privileges to escalate their privileges within the SAP system. The vulnerability does not require user interaction and can be exploited remotely over the network (AV:N), with low attack complexity (AC:L). The attacker must have some level of privileges (PR:L), but no further user interaction is needed (UI:N). The scope of the vulnerability is changed (S:C), meaning the exploit can affect resources beyond the initially compromised component. The impact on confidentiality is rated as none (C:N), but integrity (I:H) and availability (A:H) are both critically impacted, allowing an attacker to manipulate or disrupt critical business processes and data within the SAP environment. Given SAP NetWeaver's role as a foundational platform for many enterprise applications, exploitation could lead to severe operational disruptions and data integrity issues. Although no known exploits are currently reported in the wild, the high CVSS score of 9.6 and the critical nature of the vulnerability necessitate immediate attention from organizations using the affected SAP versions.
Potential Impact
For European organizations, the impact of CVE-2025-42989 could be substantial. SAP NetWeaver is widely used across various sectors including manufacturing, finance, telecommunications, and public administration in Europe. Exploitation could lead to unauthorized privilege escalation, enabling attackers to alter or disrupt critical business processes, potentially causing significant operational downtime and financial losses. The integrity of sensitive business data could be compromised, affecting compliance with stringent European data protection regulations such as GDPR. Availability impacts could disrupt supply chains and customer-facing services, leading to reputational damage and regulatory scrutiny. Given the interconnected nature of SAP systems with other enterprise applications, the vulnerability could also serve as a pivot point for broader network compromise within affected organizations.
Mitigation Recommendations
To mitigate CVE-2025-42989, European organizations should prioritize the following actions: 1) Apply vendor patches or updates as soon as they become available from SAP, even though no patch links are currently provided, monitoring SAP security advisories closely. 2) Restrict and monitor RFC access strictly, ensuring that only necessary users and systems have inbound RFC permissions, and implement network segmentation to limit exposure. 3) Enforce the principle of least privilege rigorously within SAP user roles, minimizing the number of users with elevated privileges that could be exploited. 4) Implement enhanced logging and monitoring of RFC calls and privilege escalation attempts to detect anomalous activities early. 5) Conduct regular security audits and penetration testing focused on SAP authorization mechanisms to identify and remediate potential weaknesses. 6) Consider deploying SAP-specific security tools that can enforce authorization policies and detect suspicious behavior in real-time. 7) Educate SAP administrators and security teams about this vulnerability and the importance of authorization checks in RFC processing to ensure vigilant operational practices.
Affected Countries
Germany, France, United Kingdom, Netherlands, Italy, Spain, Sweden, Belgium
CVE-2025-42989: CWE-862: Missing Authorization in SAP_SE SAP NetWeaver Application Server for ABAP
Description
RFC inbound processing�does not perform necessary authorization checks for an authenticated user, resulting in escalation of privileges. On successful exploitation the attacker could critically impact both integrity and availability of the application.
AI-Powered Analysis
Technical Analysis
CVE-2025-42989 is a critical vulnerability identified in SAP SE's NetWeaver Application Server for ABAP, specifically affecting versions KERNEL 7.89, 7.93, 9.14, and 9.15. The vulnerability is categorized under CWE-862, which denotes missing authorization. The core issue lies in the RFC (Remote Function Call) inbound processing component, which fails to perform necessary authorization checks for authenticated users. This flaw allows an attacker who has valid authentication credentials but limited privileges to escalate their privileges within the SAP system. The vulnerability does not require user interaction and can be exploited remotely over the network (AV:N), with low attack complexity (AC:L). The attacker must have some level of privileges (PR:L), but no further user interaction is needed (UI:N). The scope of the vulnerability is changed (S:C), meaning the exploit can affect resources beyond the initially compromised component. The impact on confidentiality is rated as none (C:N), but integrity (I:H) and availability (A:H) are both critically impacted, allowing an attacker to manipulate or disrupt critical business processes and data within the SAP environment. Given SAP NetWeaver's role as a foundational platform for many enterprise applications, exploitation could lead to severe operational disruptions and data integrity issues. Although no known exploits are currently reported in the wild, the high CVSS score of 9.6 and the critical nature of the vulnerability necessitate immediate attention from organizations using the affected SAP versions.
Potential Impact
For European organizations, the impact of CVE-2025-42989 could be substantial. SAP NetWeaver is widely used across various sectors including manufacturing, finance, telecommunications, and public administration in Europe. Exploitation could lead to unauthorized privilege escalation, enabling attackers to alter or disrupt critical business processes, potentially causing significant operational downtime and financial losses. The integrity of sensitive business data could be compromised, affecting compliance with stringent European data protection regulations such as GDPR. Availability impacts could disrupt supply chains and customer-facing services, leading to reputational damage and regulatory scrutiny. Given the interconnected nature of SAP systems with other enterprise applications, the vulnerability could also serve as a pivot point for broader network compromise within affected organizations.
Mitigation Recommendations
To mitigate CVE-2025-42989, European organizations should prioritize the following actions: 1) Apply vendor patches or updates as soon as they become available from SAP, even though no patch links are currently provided, monitoring SAP security advisories closely. 2) Restrict and monitor RFC access strictly, ensuring that only necessary users and systems have inbound RFC permissions, and implement network segmentation to limit exposure. 3) Enforce the principle of least privilege rigorously within SAP user roles, minimizing the number of users with elevated privileges that could be exploited. 4) Implement enhanced logging and monitoring of RFC calls and privilege escalation attempts to detect anomalous activities early. 5) Conduct regular security audits and penetration testing focused on SAP authorization mechanisms to identify and remediate potential weaknesses. 6) Consider deploying SAP-specific security tools that can enforce authorization policies and detect suspicious behavior in real-time. 7) Educate SAP administrators and security teams about this vulnerability and the importance of authorization checks in RFC processing to ensure vigilant operational practices.
Affected Countries
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- sap
- Date Reserved
- 2025-04-16T13:25:48.060Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 68487f541b0bd07c3938a037
Added to database: 6/10/2025, 6:54:12 PM
Last enriched: 7/10/2025, 11:49:32 PM
Last updated: 8/14/2025, 5:29:18 PM
Views: 32
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