CVE-2026-120017

CRITICALCVSS 10/10

Last modified

CVE-2026-120017 is a critical-severity vulnerability rated 10/10 on the CVSS scale. SAP NetWeaver AS ABAP and ABAP Platform does not perform sufficient verification of incoming authentication assertions under certain configurations. An unauthenticated attacker could submit specially crafted data to bypass authentication and impersonate arbitrary users, including privileged accounts.

Description

SAP NetWeaver AS ABAP and ABAP Platform does not perform sufficient verification of incoming authentication assertions under certain configurations. An unauthenticated attacker could submit specially crafted data to bypass authentication and impersonate arbitrary users, including privileged accounts. Successful exploitation could cause a full system compromise, with the impact potentially extending to connected components and systems beyond the affected system. This results in a high impact on confidentiality, integrity, and availability of the application.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
SAP_SESAP NetWeaver AS ABAP and ABAP Platform (SAML2 Service Provider)SAP_BASIS 702; SAP_BASIS 731; SAP_BASIS 740; SAP_BASIS 750; SAP_BASIS 751; SAP_BASIS 752; SAP_BASIS 753; SAP_BASIS 754; SAP_BASIS 755; SAP_BASIS 756; SAP_BASIS 757; SAP_BASIS 758; SAP_BASIS 816; SAP_BASIS 920; SAP_BASIS 921; SAP_BASIS 922

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-120017?
SAP NetWeaver AS ABAP and ABAP Platform does not perform sufficient verification of incoming authentication assertions under certain configurations. An unauthenticated attacker could submit specially crafted data to bypass authentication and impersonate arbitrary users, including privileged accounts. Successful exploitation could cause a full system compromise, with the impact potentially extending to connected components and systems beyond the affected system. This results in a high impact on confidentiality, integrity, and availability of the application.
How severe is CVE-2026-120017?
CVE-2026-120017 has a CVSS score of 10/10 (CRITICAL severity).
How do I fix CVE-2026-120017?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST