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6.4 Medium

Due to a weak HMAC cryptography calculation when receiving an RFC callback in SAP NetWeaver and ABAP Platform (Application Server ABAP), an…

CVE-2026-109805

Due to a weak HMAC cryptography calculation when receiving an RFC callback in SAP NetWeaver and ABAP Platform (Application Server ABAP), an authenticated attacker with high privileges and access to a network segment between application servers on an SAP system could intercept network communication between application servers and change the identity of the caller, enabling the execution of unauthorized function calls on the target server with escalated privileges leading to High impact on Confidentiality, Integrity, and Availability of the application.

Assessment

CVSS
6.4 (v3.1)
Severity
Medium
Known exploited
Not listed in CISA KEV
Exploit availability
Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published
10 November 2026
Last updated
10 November 2026
Assigner
sap

CVSS vectorCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

At the source

References

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