How severe is CVE-2020-7488?

CVE-2020-7488 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 high, integrity none, and availability none.

Is CVE-2020-7488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7488?

CVE-2020-7488 primarily affects Schneider-electric Ecostruxure Machine Expert. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-7488?

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.

When was CVE-2020-7488 published?

CVE-2020-7488 was published on 2020-04-22 and last updated on 2026-06-17.

CVE-2020-7488

CVE-2020-7488 is a high-severity vulnerability in Schneider-electric Ecostruxure Machine Expert 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-319.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Schneider-electric Ecostruxure Machine Expert
Published: 2020-04-22
Last modified: 2026-06-17

Description

A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers.

Frequently asked questions

What is CVE-2020-7488?: A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers.
How severe is CVE-2020-7488?: CVE-2020-7488 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 high, integrity none, and availability none.
Is CVE-2020-7488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7488?: CVE-2020-7488 primarily affects Schneider-electric Ecostruxure Machine Expert. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-7488?: 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.
When was CVE-2020-7488 published?: CVE-2020-7488 was published on 2020-04-22 and last updated on 2026-06-17.

References

https://www.se.com/ww/en/download/document/SEVD-2020-105-02

Affected products (7)

cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:somachine:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:somachine_motion:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*

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