How severe is CVE-2023-5103?

CVE-2023-5103 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-5103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5103?

CVE-2023-5103 affects Sick Apu0200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-5103 published?

CVE-2023-5103 was published on 2023-10-09 and last updated on 2026-06-17.

CVE-2023-5103

CVE-2023-5103 is a medium-severity vulnerability in Sick Apu0200 Firmware with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1021.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Sick Apu0200 Firmware
Published: 2023-10-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-5103?: 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.
How severe is CVE-2023-5103?: CVE-2023-5103 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-5103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5103?: CVE-2023-5103 affects Sick Apu0200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5103 published?: CVE-2023-5103 was published on 2023-10-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sick:apu0200_firmware:*:*:*:*:*:*:*:*

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