Skip to main content

SAP MDG CVE-2026-44750

| EUVDEUVD-2026-35284 MEDIUM
Missing Authorization (CWE-862)
2026-06-09 cna@sap.com GHSA-wh76-p6p5-4x94
4.3
CVSS 3.1 · Vendor: sap
View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain low-privileged SAP MDG credentials
  2. Delivery
    Access Review Match Groups Application via network
  3. Exploit
    Submit requests invoking restricted backend actions
  4. Execution
    Bypass missing authorization check at service layer
  5. Impact
    Unauthorized modification of MDG master data records

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires an active, authenticated SAP MDG user account with at least low-level privileges - unauthenticated access is not possible per the CVSS PR:L designation. The vulnerability is specific to the Review Match Groups Application within MDG; users without access to this application component are not exposed. No special network positioning is required beyond the ability to reach the SAP MDG application server (AV:N, AC:L). Exploitation is limited to integrity impact only - attackers cannot read confidential data (C:N) or disrupt availability (A:N). The scope is contained to the MDG application boundary (S:U), preventing lateral privilege escalation into other SAP systems or the underlying OS.

Impact

The CVSS base score of 4.3 (Medium) accurately reflects a constrained impact profile: network-reachable (AV:N), low complexity (AC:L), low-privilege authentication required (PR:L), no user interaction needed (UI:N), with only low integrity impact and no confidentiality or availability impact. The PR:L requirement is the primary limiting factor - an attacker must already possess a valid SAP MDG user account, which significantly reduces the attack surface in most enterprise environments. No EPSS score was provided in the input data, so probabilistic exploitation likelihood cannot be quantified. The vulnerability is not listed in the CISA KEV catalog and no public POC has been identified, suggesting opportunistic mass exploitation is not occurring. For organizations where MDG governs authoritative master data (vendor records, customer data, financial hierarchies), even low-integrity impact could have downstream business process consequences disproportionate to the CVSS score. Real-world priority should be calibrated to the sensitivity of data managed within the Review Match Groups workflow, not the raw score alone.

Exploit ScenarioDerived

An authenticated SAP MDG user with a standard low-privilege account - such as a data steward or read-only reviewer - accesses the Review Match Groups Application and directly invokes backend service calls or submits crafted requests to perform actions reserved for higher-privileged roles, such as approving match group consolidations or modifying governance records. Because the authorization check is absent at the service layer, the system processes the request and persists the unauthorized data modification. No public POC exists at time of analysis, but the exploit pattern is straightforward for any user familiar with SAP MDG's application architecture.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.0% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Jun 09, 2026

Privilege escalation in SAP MDG's Review Match Groups Application exposes restricted actions to low-privileged authenticated users due to missing authorization checks. The CVSS vector (AV:N/AC:L/PR:L/UI:N) confirms exploitation requires only a valid low-privileged account over the network with no additional interaction, enabling unauthorized data modification. Impact is scoped to low integrity degradation - confidentiality and availability are unaffected - making this a moderate business risk primarily for organizations where MDG data integrity is compliance-critical. No public exploit code exists and this vulnerability is not listed in the CISA KEV catalog at time of analysis.

RemediationAI

Apply the fix documented in SAP Security Note 3673181, available through SAP Support Portal at https://me.sap.com/notes/3673181. This note was released as part of SAP Security Patch Day (https://url.sap/sapsecuritypatchday) and should be applied through the standard SAP correction transport or Support Package Stack process. An exact patched version number is not independently confirmable from the available data - consult the note directly for the minimum support package level required. As a compensating control prior to patching, organizations should audit role assignments within SAP MDG and apply the principle of least privilege to user accounts accessing the Review Match Groups Application, restricting that application's authorization objects to only those users with a documented business need. Note that role restriction alone does not eliminate the underlying missing authorization check and is not a substitute for the vendor patch.

Affected VersionsENISA

SAP MDG (Review Match Groups Application) SAP_ABA 816
SAP MDG (Review Match Groups Application) SAP_BASIS 917
SAP MDG (Review Match Groups Application) S4CORE 108
SAP MDG (Review Match Groups Application) SAP_BASIS 916

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

SAP Master Data Governance (MDG) is SAP's enterprise solution for managing and governing master data across business domains. The Review Match Groups Application is a specific functional component within MDG used to consolidate and validate duplicate master data records. The root cause is CWE-862 (Missing Authorization): the application performs no server-side verification that the requesting user holds the privileges required to execute certain actions. This is a classic broken function-level access control defect - the application likely enforces authorization at the UI layer (preventing display of controls) but not at the backend service or API layer, allowing a user who crafts or replays requests to invoke restricted operations. The CVSS Scope:Unchanged value indicates the flaw is contained within the MDG application boundary and does not allow lateral movement into other SAP components.

Know when the next one hits your stack

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Vendor (sap) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from Vendor (sap) · only source for this CVE.

CVSS VectorVendor: sap

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

DescriptionCVE.org

SAP MDG (Review Match Groups Application) does not perform the necessary authorization checks for authenticated users. This could allow a low-privileged user to perform actions that would otherwise be restricted, resulting in escalation of privileges. This has a low impact on integrity, while confidentiality and availability are not impacted.

Threat Intelligence Overview

EPSS Score
0.0%
Top 92% exploitable
Data Quality
6 sources
Confidence: High

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy