How severe is CVE-2018-7823?

CVE-2018-7823 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2018-7823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7823?

CVE-2018-7823 primarily affects Schneider-electric Somachine Basic. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-7823?

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

When was CVE-2018-7823 published?

CVE-2018-7823 was published on 2019-05-22 and last updated on 2026-06-17.

CVE-2018-7823

CVE-2018-7823 is a medium-severity vulnerability in Schneider-electric Somachine Basic with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Schneider-electric Somachine Basic
Published: 2019-05-22
Last modified: 2026-06-17

Description

A Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1.10.0.0) which could cause remote launch of SoMachine Basic when sending crafted ethernet message.

Frequently asked questions

What is CVE-2018-7823?: A Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1.10.0.0) which could cause remote launch of SoMachine Basic when sending crafted ethernet message.
How severe is CVE-2018-7823?: CVE-2018-7823 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2018-7823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7823?: CVE-2018-7823 primarily affects Schneider-electric Somachine Basic. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7823?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-7823 published?: CVE-2018-7823 was published on 2019-05-22 and last updated on 2026-06-17.

References

https://www.schneider-electric.com/en/download/document/SEVD-2019-045-01/

Affected products (2)

cpe:2.3:a:schneider-electric:somachine_basic:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Somachine Basic

CVE-2020-7489 — Critical (CVSS 9.8): A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')…
CVE-2018-7798 — High (CVSS 8.2): A Insufficient Verification of Data Authenticity (CWE-345) vulnerability exists in the Modicon M221, all versions,…
CVE-2018-7821 — High (CVSS 7.5): An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all…
CVE-2018-7783 — High (CVSS 7.5): Schneider Electric SoMachine Basic prior to v1.6 SP1 suffers from an XML External Entity (XXE) vulnerability using the…
CVE-2018-7822 — Medium (CVSS 5.5): An Incorrect Default Permissions (CWE-276) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all…

All CVEs affecting Schneider-electric Somachine Basic →