CVE-2025-42966Network attack vector

Admin-authenticated compromise via crafted Java deserialization

Published Jul 8, 2025 · Updated Feb 26, 2026

Insecure deserialization in SAP NetWeaver XML Data Archiving Service J2EE-APPS 7.50 allows remote authenticated users to compromise the runtime. The XML DAS application processes a specially crafted serialized Java object through unsafe deserialization, enabling attacker-controlled object behavior. Administrative privileges are required; successful exploitation can expose or alter application data and interrupt the service.

CVSS severity9.1
Critical
EPSS probability0.72%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insecure deserialization in SAP NetWeaver XML Data Archiving Service J2EE-APPS 7.50 allows remote authenticated users to compromise the runtime. The XML DAS application processes a specially crafted serialized Java object through unsafe deserialization, enabling attacker-controlled object behavior. Administrative privileges are required; successful exploitation can expose or alter application data and interrupt the service.

The record

CVE
CVE-2025-42966
Published
Jul 8, 2025
Updated
Feb 26, 2026
Vendor
SAP SE
Product
SAP NetWeaver XML Data Archiving Service
Classifications
CWE-502, T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record 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=J2EE-APPS 7.50

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

SAP SE · SAP NetWeaver XML Data Archiving Serviceversion=J2EE-APPS 7.50

Published CVSS scores

9.1SAP SECVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
T1190Exploit Public-Facing Application

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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