Cyber Resilience

CVE-2023-45851

High

Published: 25 October 2023

Published
25 October 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0011 28.6th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-45851 is a high-severity Missing Authentication for Critical Function (CWE-306) vulnerability in Boschrexroth Ctrlx Hmi Web Panel Wr2107 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 28.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication. This issue allows an attacker to force the Android Client application to connect to a malicious MQTT broker, enabling it to…

more

send fake messages to the HMI device

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

boschrexroth
ctrlx hmi web panel wr2107 firmware
all versions
boschrexroth
ctrlx hmi web panel wr2110 firmware
all versions
boschrexroth
ctrlx hmi web panel wr2115 firmware
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-306

Requires established identification and authentication to unlock, mitigating missing authentication for continued system access.

addresses: CWE-306

Requiring identification and rationale for actions allowed without authentication ensures critical functions are not left unprotected by forcing review of authentication requirements.

addresses: CWE-306

Authorizing mobile device connections to organizational systems ensures authentication is performed for this critical access function.

addresses: CWE-306

Guarantees critical functions are protected by mandatory invocation of the access control mechanism.

addresses: CWE-306

Auditing sessions makes it possible to detect access to critical functions without required authentication.

addresses: CWE-306

The assessment process confirms authentication is present and effective for critical functions, preventing exploitation from missing authentication.

addresses: CWE-306

Certification assesses that critical functions have required authentication controls in place.

addresses: CWE-306

Disabling non-essential functions and services eliminates the need to secure them, reducing exposure from missing authentication on unnecessary components.

References