Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessAuthenticate with low-privilege HCM user credentials
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DeliverySubmit authorization queries for unauthorized resources
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ExploitAnalyze distinguishing error messages returned
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ExecutionEnumerate sensitive data structure through pattern recognition
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ImpactInfer confidential information beyond authorized scope
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V6 - Authentication Response uniformity
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| Impact | This vulnerability presents a moderate real-world risk profile with conflicting signals. The CVSS score of 6.5 reflects high confidentiality impact (C:H) but requires low-privilege authenticated access (PR:L), which narrows the threat actor pool to internal users or those with valid credentials. The CVSS vector indicates network attack vector (AV:N) with low complexity (AC:L), meaning exploitation is straightforward once an authenticated session exists. However, EPSS data is not provided, limiting probability assessment. The vulnerability does not appear in CISA KEV, suggesting no confirmed active exploitation at time of analysis. Real-world risk depends heavily on organizational context: SAP S/4HANA environments with many low-privilege users (e.g., employees with HR self-service access) face higher risk of sensitive HR data enumeration (salary bands, organizational structures, employee lists). The information disclosure is limited to what can be guessed through message patterns rather than direct system compromise, reducing urgency compared to higher-impact vulnerabilities, but still requiring prompt remediation due to sensitivity of HR data. |
| Exploit ScenarioDerived | A low-privilege HR employee with SAP HCM access attempts to query employee records outside their department by submitting multiple authorization requests. By observing the specific error messages returned (e.g., 'resource does not exist' versus 'access denied'), the attacker can systematically enumerate and infer the structure and existence of sensitive HR data such as organizational hierarchies, salary bands, or employee lists that they should not be permitted to view. No public exploit code is required; exploitation relies on manual enumeration and message analysis. |
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Alert meAnalysisAIv1 – Apr 14, 2026
SAP Human Capital Management for SAP S/4HANA allows authenticated users with low privileges to enumerate and guess sensitive information through specific authorization check messages, resulting in information disclosure beyond their authorized scope. The vulnerability affects SAP HCM across affected versions and requires low-privilege authenticated access to exploit, with a CVSS score of 6.5 reflecting high confidentiality impact but no integrity or availability compromise.
RemediationAI
Apply the security patch provided by SAP through their standard patching process referenced in SAP Security Patch Day (https://url.sap/sapsecuritypatchday) and detailed in SAP Note 3680767 (https://me.sap.com/notes/3680767). The patch corrects authorization check message handling to prevent enumeration of protected resources. Organizations should prioritize patching systems with large numbers of low-privilege HCM users (e.g., employee self-service portals). Until patches are deployed, organizations may implement access controls restricting low-privilege user access to resource enumeration features, though this may impact business functionality.
Affected VersionsENISA
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Technical ContextAI · show details
The vulnerability stems from improper information disclosure in authorization checks within SAP Human Capital Management (HCM), a core human resources module of SAP S/4HANA. The root cause is classified as CWE-204 (Observable Discrepancy), indicating that the system returns distinguishable messages or responses during authorization validation that leak information about protected resources. When an authenticated user with low privileges attempts to access or enumerate resources, the system's specific error messages or response patterns allow an attacker to infer the existence and nature of sensitive data they should not have permission to view. This is a classic example of authorization logic that fails to implement proper information hiding, allowing content enumeration through message analysis rather than direct access.
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from Vendor (sap) · only source for this CVE.
CVSS VectorVendor: sap
DescriptionCVE.org
During authorization checks in SAP Human Capital Management for SAP S/4HANA, the system returns specific messages. Due to this, an authenticated user with low privileges could guess and enumerate the content shown, beyond their authorized scope. This leads to disclosure of sensitive information causing a high impact on confidentiality, while integrity and availability are unaffected.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
EUVD-2026-22174
GHSA-4c58-m4cg-6h2f
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB