How severe is CVE-2023-5100?

CVE-2023-5100 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2023-5100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5100?

CVE-2023-5100 affects Sick Apu0200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5100?

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

When was CVE-2023-5100 published?

CVE-2023-5100 was published on 2023-10-09 and last updated on 2026-06-17.

CVE-2023-5100

CVE-2023-5100 is a medium-severity vulnerability in Sick Apu0200 Firmware with a CVSS 3.x base score of 5.9. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Sick Apu0200 Firmware
Published: 2023-10-09
Last modified: 2026-06-17

Description

Cleartext Transmission of Sensitive Information in RDT400 in SICK APU allows an unprivileged remote attacker to retrieve potentially sensitive information via intercepting network traffic that is not encrypted.

Frequently asked questions

What is CVE-2023-5100?: Cleartext Transmission of Sensitive Information in RDT400 in SICK APU allows an unprivileged remote attacker to retrieve potentially sensitive information via intercepting network traffic that is not encrypted.
How severe is CVE-2023-5100?: CVE-2023-5100 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2023-5100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5100?: CVE-2023-5100 affects Sick Apu0200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5100 published?: CVE-2023-5100 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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