How severe is CVE-2023-34412?

CVE-2023-34412 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-34412 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-2023-34412?

CVE-2023-34412 primarily affects Helmholz Rex 250 Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-34412?

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

When was CVE-2023-34412 published?

CVE-2023-34412 was published on 2023-08-17 and last updated on 2026-06-17.

CVE-2023-34412

CVE-2023-34412 is a medium-severity vulnerability in Helmholz Rex 250 Firmware with a CVSS 3.x base score of 4.8. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Helmholz Rex 250 Firmware
Published: 2023-08-17
Last modified: 2026-06-17

Description

A vulnerability in Red Lion Europe mbNET/mbNET.rokey and Helmholz REX 200 and REX 250 devices with firmware lower 7.3.2 allows an authenticated remote attacker with high privileges to inject malicious HTML or JavaScript code (XSS).

Frequently asked questions

What is CVE-2023-34412?: A vulnerability in Red Lion Europe mbNET/mbNET.rokey and Helmholz REX 200 and REX 250 devices with firmware lower 7.3.2 allows an authenticated remote attacker with high privileges to inject malicious HTML or JavaScript code (XSS).
How severe is CVE-2023-34412?: CVE-2023-34412 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-34412 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-2023-34412?: CVE-2023-34412 primarily affects Helmholz Rex 250 Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-34412?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-34412 published?: CVE-2023-34412 was published on 2023-08-17 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:o:helmholz:rex_250_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:helmholz:rex_200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet.rokey_rkh_210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet.rokey_rkh_216_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet.rokey_rkh_235_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet.rokey_rkh_259_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_811_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_850_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_871_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_831_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_855_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_876_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_858_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_816_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_841_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_859_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:redlion:mbnet_mdh_835_firmware:*:*:*:*:*:*:*:*

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