How severe is CVE-2018-7241?

CVE-2018-7241 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7241 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7241?

CVE-2018-7241 primarily affects Schneider-electric Bmxnor0200 Firmware. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-7241?

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

When was CVE-2018-7241 published?

CVE-2018-7241 was published on 2018-04-18 and last updated on 2026-06-17.

CVE-2018-7241

CVE-2018-7241 is a critical-severity vulnerability in Schneider-electric Bmxnor0200 Firmware with a CVSS 3.x base score of 9.8. 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Schneider-electric Bmxnor0200 Firmware
Published: 2018-04-18
Last modified: 2026-06-17

Description

Hard coded accounts exist in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules.

Frequently asked questions

What is CVE-2018-7241?: Hard coded accounts exist in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules.
How severe is CVE-2018-7241?: CVE-2018-7241 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7241 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7241?: CVE-2018-7241 primarily affects Schneider-electric Bmxnor0200 Firmware. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7241?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-7241 published?: CVE-2018-7241 was published on 2018-04-18 and last updated on 2026-06-17.

References

Affected products (57)

cpe:2.3:o:schneider-electric:bmxnor0200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65150_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu31110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu43412u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65160_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65260_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65860_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65160s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65150c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu31110c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu43412uc_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65160c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65260c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:140cpu65860c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420102cl_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302cl_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp3420302h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp342020h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m340_bmxp341000h_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxh5724m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxh5744m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp57104m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp57154m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp571634m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp57204m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp57254m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp572634m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp57304m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp57354m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp573634m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp57454m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp574634m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp575634m_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:tsxp576634m_firmware:-:*:*:*:*:*:*:*

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