CVE-2023-44373Network attack vector

Administrative root command execution via unsanitized input

Published Nov 14, 2023 · Updated Apr 14, 2026

Command injection in Siemens SCALANCE network appliances allows remote authenticated users with administrative privileges to gain root access. The affected management input reaches a downstream component without adequate neutralization, enabling injected code or a system root shell; Siemens has not identified the field or handler publicly. Administrative authentication and network access to an affected device are required, and successful exploitation grants root-level command execution.

CVSS severity9.1
Critical
EPSS probability1.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in Siemens SCALANCE network appliances allows remote authenticated users with administrative privileges to gain root access. The affected management input reaches a downstream component without adequate neutralization, enabling injected code or a system root shell; Siemens has not identified the field or handler publicly. Administrative authentication and network access to an affected device are required, and successful exploitation grants root-level command execution.

The record

CVE
CVE-2023-44373
Published
Nov 14, 2023
Updated
Apr 14, 2026
Vendor
Siemens
Product
SCALANCE WUM763-1 (US)
Classifications
CWE-74, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Nov 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <V2.4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Siemens · SCALANCE WUM763-1 (US)version=0 <V2.4.0
Siemens · SCALANCE WAM766-1 EEC (ME)version=0 <V2.4.0
Siemens · SCALANCE WUB762-1version=0 <V2.4.0
Siemens · SCALANCE W786-2 RJ45version=0 <V6.6.0
Siemens · SCALANCE MUM856-1 (RoW)version=0 <V8.0
Siemens · SCALANCE WUB762-1 iFeaturesversion=0 <V2.4.0
Siemens · SCALANCE W786-2IA RJ45version=0 <V6.6.0
Siemens · SCALANCE W721-1 RJ45version=0 <V6.6.0
Siemens · SCALANCE W778-1 M12 EECversion=0 <V6.6.0
Siemens · SCALANCE W761-1 RJ45version=0 <V6.6.0
Siemens · SCALANCE MUM856-1 (EU)version=0 <V8.0
Siemens · SCALANCE W722-1 RJ45version=0 <V6.6.0
Siemens · SCALANCE W748-1 RJ45version=0 <V6.6.0
Siemens · SCALANCE W788-1 RJ45version=0 <V6.6.0
Siemens · SCALANCE WAM766-1 (US)version=0 <V2.4.0
Siemens · RUGGEDCOM RM1224 LTE(4G) NAMversion=0 <V8.0
Siemens · RUGGEDCOM RM1224 LTE(4G) EUversion=0 <V8.0
Siemens · SCALANCE W774-1 M12 EECversion=0 <V6.6.0
Siemens · SCALANCE WUM766-1version=0 <V2.4.0
Siemens · SCALANCE M874-3version=0 <V8.0
Siemens · SCALANCE WAM763-1version=0 <V2.4.0
Siemens · SCALANCE WAM766-1version=0 <V2.4.0
Siemens · SCALANCE W778-1 M12 EEC (USA)version=0 <V6.6.0
Siemens · SCALANCE W734-1 RJ45version=0 <V6.6.0
Siemens · SCALANCE M812-1 ADSL Routerversion=0 <V8.0
Siemens · SCALANCE S615 EEC LAN Routerversion=0 <V8.0
Siemens · SCALANCE WUM766-1 (ME)version=0 <V2.4.0
Siemens · SCALANCE M826-2 SHDSL-Routerversion=0 <V8.0
Siemens · SCALANCE M816-1 ADSL Routerversion=0 <V8.0
Siemens · SCALANCE W788-2 M12version=0 <V6.6.0
Siemens · SCALANCE M876-3 (ROK)version=0 <V8.0
Siemens · SCALANCE W788-2 M12 EECversion=0 <V6.6.0
Siemens · SCALANCE M876-3version=0 <V8.0
Siemens · SCALANCE WAM766-1 EECversion=0 <V2.4.0
Siemens · SCALANCE M804PBversion=0 <V8.0
Siemens · SCALANCE W774-1 RJ45 (USA)version=0 <V6.6.0
Siemens · SCALANCE WAM766-1 EEC (US)version=0 <V2.4.0
Siemens · SCALANCE W774-1 RJ45version=0 <V6.6.0
Siemens · SCALANCE W786-2 SFPversion=0 <V6.6.0
Siemens · SCALANCE WAB762-1version=0 <V2.4.0
Siemens · SCALANCE M876-4version=0 <V8.0
Siemens · SCALANCE W748-1 M12version=0 <V6.6.0
Siemens · SCALANCE WAM766-1 (ME)version=0 <V2.4.0
Siemens · SCALANCE W738-1 M12version=0 <V6.6.0
Siemens · SCALANCE M876-4 (NAM)version=0 <V8.0
Siemens · SCALANCE MUM853-1 (EU)version=0 <V8.0
Siemens · SCALANCE WAM763-1 (US)version=0 <V2.4.0
Siemens · SCALANCE W788-1 M12version=0 <V6.6.0
Siemens · SCALANCE W786-1 RJ45version=0 <V6.6.0
Siemens · SCALANCE W734-1 RJ45 (USA)version=0 <V6.6.0
Siemens · SCALANCE WUM766-1 (USA)version=0 <V2.4.0
Siemens · SCALANCE S615 LAN-Routerversion=0 <V8.0
Siemens · SCALANCE W788-2 RJ45version=0 <V6.6.0
Siemens · SCALANCE WUM763-1version=0 <V2.4.0
Siemens · SCALANCE M876-4 (EU)version=0 <V8.0
Siemens · SCALANCE WAM763-1 (ME)version=0 <V2.4.0
Siemens · SCALANCE W778-1 M12version=0 <V6.6.0
Siemens · SCALANCE M874-2version=0 <V8.0

Published CVSS scores

9.4Siemens ProductCERTCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
9.1Siemens ProductCERTCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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