CVE-2021-38176Network attack vector

Backend compromise via unsanitized NZDT function calls

Published Sep 14, 2021 · Updated Aug 4, 2024

SQL injection in the NZDT Mapping Table Framework in affected SAP server products allows remote authenticated users to access the backend database. RFC-enabled NZDT function modules fail to sanitize attacker-controlled parameters before executing manipulated database queries or injected ABAP code. Exploitation requires an authenticated account with specific SAP privileges and grants control over backend data and system operation.

CVSS severity8.8
High
EPSS probability1.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in the NZDT Mapping Table Framework in affected SAP server products allows remote authenticated users to access the backend database. RFC-enabled NZDT function modules fail to sanitize attacker-controlled parameters before executing manipulated database queries or injected ABAP code. Exploitation requires an authenticated account with specific SAP privileges and grants control over backend data and system operation.

The record

CVE
CVE-2021-38176
Published
Sep 14, 2021
Updated
Aug 4, 2024
Vendor
SAP SE
Product
SAP S/4HANA
Classifications
CWE-89, T1210
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 14, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 1511
  2. Affected versionversion=< 1610
  3. Affected versionversion=< 1709
  4. Affected versionversion=< 1809
  5. Affected versionversion=< 1909
  6. Affected versionversion=< 2020
  7. Affected versionversion=< 2021

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SAP SE · SAP S/4HANAversion=< 1511; version=< 1610; version=< 1709; version=< 1809; version=< 1909; version=< 2020; version=< 2021
SAP SE · SAP Landscape Transformationversion=< 2.0
SAP SE · SAP Landscape Transformation Replication Server for SAP S/4HANAversion=< 1.0
SAP SE · SAP Landscape Transformation Replication Serverversion=< 2.0; version=< 3.0
SAP SE · SAP Test Data Migration Serverversion=< 4.0

Published CVSS scores

8.8NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.9SAP SECVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
9.0NVDAV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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