SAP NetWeaver Memory Corruption (3747649)

critical Nessus Plugin ID 343971

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Synopsis

The remote SAP NetWeaver application server is affected by a memory corruption vulnerability.

Description

The version of the SAP NetWeaver kernel detected on the remote host is affected by a memory corruption vulnerability as referenced in SAP Security Note 3747649:

- A memory safety vulnerability exists in the Extended Passport Protocol (EPP) processing library. Under specific conditions, an unauthenticated attacker could exploit a crafted network request containing a malformed EPP header, potentially resulting in undefined behavior and abnormal program termination.
Successful exploitation may have a high impact on the confidentiality, integrity, and availability of the application. (CVE-2026-44756)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the appropriate patch according to the vendor advisory.

Plugin Details

Severity: Critical

ID: 343971

File Name: sap_netweaver_kernel_3747649.nasl

Version: 1.4

Type: Remote

Family: Web Servers

Published: 9/9/2026

Updated: 9/25/2026

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8

Percentile: 99.69

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-44756

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:sap:netweaver_application_server

Required KB Items: Settings/ParanoidReport, installed_sw/SAP Netweaver Application Server (AS)

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/8/2026

Vulnerability Publication Date: 9/8/2026

Reference Information

CVE: CVE-2026-44756

IAVA: 2026-A-0973

Detections

Analytics