How severe is CVE-2018-7760?

CVE-2018-7760 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-2018-7760 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7760?

CVE-2018-7760 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-2018-7760?

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-2018-7760 published?

CVE-2018-7760 was published on 2018-04-18 and last updated on 2026-06-17.

CVE-2018-7760

CVE-2018-7760 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Schneider-electric Bmxnor0200 Firmware
Published: 2018-04-18
Last modified: 2026-06-17

Description

An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200. Requests to CGI functions allow malicious users to bypass authorization.

Frequently asked questions

What is CVE-2018-7760?: An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200. Requests to CGI functions allow malicious users to bypass authorization.
How severe is CVE-2018-7760?: CVE-2018-7760 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-2018-7760 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7760?: CVE-2018-7760 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-2018-7760?: 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-2018-7760 published?: CVE-2018-7760 was published on 2018-04-18 and last updated on 2026-06-17.

References

https://www.schneider-electric.com/en/download/document/SEVD-2018-081-02/

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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