MEDIUMCVSS v3.1 6.4Vulnerability

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-10T23:33:48.924589+00:00
Epss score
0.00132
Cvss score
6.4
Cvss severity
MEDIUM
Retrieved at
2026-11-10T23:35:17+00:00
Score
6.4
Last source
FIRST EPSS
Cvss version
3.1
Cve id
CVE-2026-109805
Cvss vector
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-10T03:20:44+00:00
Vector
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-10T01:17:14.777
Last modified
2026-11-10T20:17:38.127
Epss percentile
0.02792

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Use of Weak Hash

Related research

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CVE-2026-109805 (CVSS v3.1 6.4) — Ninja Signal Threat Intelligence | Ninja Signal