What is CVE-2025-42944?

CVE-2025-42944 is a critical-severity vulnerability in Sap_se Sap Netweaver (Rmi-p4), classified under Deserialization of Untrusted Data. CVSS score: 10.0/10. Published 2025-09-09.

How severe is CVE-2025-42944?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2025-42944 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Sap_se Sap Netweaver (Rmi-p4)

CVE-2025-42944

Due to a deserialization vulnerability in SAP NetWeaver, an unauthenticated attacker could exploit the system through the RMI-P4 module by submitting malicious payload to an open port. The deserialization of such untrusted Java objects cou…

Vulnerability class: Insecure Deserialization

EPSS: 0.029 (85.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Sap_se Sap Netweaver (Rmi-p4) — versions SERVERCORE 7.50

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-42944?: CVE-2025-42944 is a critical-severity vulnerability in Sap_se Sap Netweaver (Rmi-p4), classified under Deserialization of Untrusted Data. CVSS score: 10.0/10. Published 2025-09-09.
How severe is CVE-2025-42944?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2025-42944 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.