CVE-2025-42994Network attack vector

Unauthenticated service crash via crafted ReadString packet

Published Jun 10, 2025 · Updated Nov 12, 2025

Memory corruption in SAP NetWeaver Master Data Management Server MDM_SERVER 710.750 allows remote attackers to crash the service. The ReadString function processes a crafted network packet that triggers a memory read access violation, causing the server process to fail and exit unexpectedly. No authentication or user interaction is required, and the documented consequence is a service interruption without data disclosure or modification.

CVSS severity7.5
High
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in SAP NetWeaver Master Data Management Server MDM_SERVER 710.750 allows remote attackers to crash the service. The ReadString function processes a crafted network packet that triggers a memory read access violation, causing the server process to fail and exit unexpectedly. No authentication or user interaction is required, and the documented consequence is a service interruption without data disclosure or modification.

The record

CVE
CVE-2025-42994
Published
Jun 10, 2025
Updated
Nov 12, 2025
Vendor
SAP SE
Product
SAP NetWeaver Master Data Management Server
Classifications
CWE-590, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=MDM_SERVER 710.750

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SAP SE · SAP NetWeaver Master Data Management Serverversion=MDM_SERVER 710.750

Published CVSS scores

7.5SAP SECVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-590Free of Memory not on the Heap
T1499Endpoint Denial of Service

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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