CVE-2023-5103Network attack vector

Sensitive information disclosure via iframe clickjacking

Published Oct 9, 2023 · Updated Sep 18, 2024

Improper frame restriction in SICK AG APU0200 all versions allows remote attackers to reveal sensitive information by tricking users into clicking actionable items through an iframe. RDT400 renders actionable interface elements without preventing framing, enabling clickjacking that causes an unwitting user to activate them. The attack is unauthenticated but requires user interaction; reported impact is limited to sensitive-information disclosure.

CVSS severity4.3
Medium
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper frame restriction in SICK AG APU0200 all versions allows remote attackers to reveal sensitive information by tricking users into clicking actionable items through an iframe. RDT400 renders actionable interface elements without preventing framing, enabling clickjacking that causes an unwitting user to activate them. The attack is unauthenticated but requires user interaction; reported impact is limited to sensitive-information disclosure.

The record

CVE
CVE-2023-5103
Published
Oct 9, 2023
Updated
Sep 18, 2024
Vendor
SICK AG
Product
APU0200
Classifications
CWE-1021, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 9, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 18, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=all versions

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

SICK AG · APU0200version=all versions

Published CVSS scores

4.3SICK AGCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1021Improper Restriction of Rendered UI Layers or Frames
T1204.001Malicious Link

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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