How severe is CVE-2024-33687?

CVE-2024-33687 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-33687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33687?

CVE-2024-33687 primarily affects Omron Nj101-1000 Firmware. In total, 55 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-33687?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-33687 have an EU (EUVD) identifier?

Yes. CVE-2024-33687 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31399.

When was CVE-2024-33687 published?

CVE-2024-33687 was published on 2024-06-24 and last updated on 2026-06-17.

CVE-2024-33687

CVE-2024-33687 is a high-severity vulnerability in Omron Nj101-1000 Firmware with a CVSS 3.x base score of 7.5. 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-345.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-31399
Weakness: CWE-345
Affected product: Omron Nj101-1000 Firmware
Published: 2024-06-24
Last modified: 2026-06-17

Description

Insufficient verification of data authenticity issue exists in NJ Series CPU Unit all versions and NX Series CPU Unit all versions. If a user program in the affected product is altered, the product may not be able to detect the alteration.

Frequently asked questions

What is CVE-2024-33687?: Insufficient verification of data authenticity issue exists in NJ Series CPU Unit all versions and NX Series CPU Unit all versions. If a user program in the affected product is altered, the product may not be able to detect the alteration.
How severe is CVE-2024-33687?: CVE-2024-33687 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-33687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33687?: CVE-2024-33687 primarily affects Omron Nj101-1000 Firmware. In total, 55 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-33687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-33687 have an EU (EUVD) identifier?: Yes. CVE-2024-33687 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-31399.
When was CVE-2024-33687 published?: CVE-2024-33687 was published on 2024-06-24 and last updated on 2026-06-17.

References

Affected products (55)

cpe:2.3:o:omron:nj101-1000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj101-1020_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj101-9000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj101-9020_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj301-1100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj301-1200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-1300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-1320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-1340_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-140_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-1400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-1420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-1500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-1520_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-4300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-4310_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-4320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-4400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-4500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-5300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-5300-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-r300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-r320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-r400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-r420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-r500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj501-r520_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj-pa3001_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nj-pd3001_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx102-1000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx102-1020_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx102-1100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx102-1120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx102-1200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx102-1220_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx102-9000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx102-9020_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx1p2-1040dt_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx1p2-1040dt1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:omron:nx1p2-1140dt_firmware:*:*:*:*:*:*:*:*

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