CVE-2023-5103

Sick Apu0200 Firmware ≤ 4.0.0.6

Published

09 October 2023

Modified

21 November 2024

Patch / advisory

View advisory

CVSS Score v3.1 4.3

Click a component to see what it means

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS Score 0.0057 46th percentile

Risk Priority 38 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-5103 is a medium-severity Improper Restriction of Rendered UI Layers or Frames (CWE-1021) vulnerability in Sick Apu0200 Firmware. Its CVSS base score is 4.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Steganography (T1001.002); ranked at the 46th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2023-57443

Vulnerability Data

Improper Restriction of Rendered UI Layers or Frames in RDT400 in SICK APU allows an unprivileged remote attacker to potentially reveal sensitive information via tricking a user into clicking on an actionable item using an iframe.

CWE(s): CWE-1021

Related Threats

MITRE ATT&CK Enterprise Techniques

T1001.002 Steganography Command And Control

Adversaries may use steganographic techniques to hide command and control traffic to make detection efforts more difficult.

attack.mitre.org →

T1003 OS Credential Dumping Credential Access

Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password.

attack.mitre.org →

T1003.002 Security Account Manager Credential Access

Adversaries may attempt to extract credential material from the Security Account Manager (SAM) database either through in-memory techniques or through the Windows Registry where the SAM database is stored.

attack.mitre.org →

T1003.004 LSA Secrets Credential Access

Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different credential materials, such as credentials for service accounts.

attack.mitre.org →

T1003.005 Cached Domain Credentials Credential Access

Adversaries may attempt to access cached domain credentials used to allow authentication to occur in the event a domain controller is unavailable.

attack.mitre.org →

T1003.007 Proc Filesystem Credential Access

Adversaries may gather credentials from the proc filesystem or `/proc`.

attack.mitre.org →

Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-5101Same product: Sick Apu0200

CVE-2023-43699Same product: Sick Apu0200

CVE-2023-43698Same product: Sick Apu0200

CVE-2023-5100Same product: Sick Apu0200

CVE-2023-43696Same product: Sick Apu0200

CVE-2023-43697Same product: Sick Apu0200

CVE-2025-49191Same vendor: Sick

CVE-2025-49192Same vendor: Sick

CVE-2026-22918Same vendor: Sick

CVE-2023-5102Same product: Sick Apu0200

Affected Assets

sick

apu0200 firmware

≤ 4.0.0.6

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 partial match

blocks

Secure SDLC practices directly require implementing frame-ancestors / X-Frame-Options controls that prevent this weakness.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match

removes

A.5.15 Access control partial match

removes

A.5.16 Identity management partial match

removes

A.5.17 Authentication information partial match

removes

A.5.18 Access rights partial match

removes

A.8.10 Information deletion partial match

removes