Is CVE-2018-7823 in the CISA KEV catalog?

No. CVE-2018-7823 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-7823?

CVE-2018-7823 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2018-7823?

CVE-2018-7823 has an EPSS score of 1.34% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-7823?

Upgrade modicon m221 firmware to 1.10.0.0 or later.

CVE & CISA-KEV Catalog

CVE-2018-7823

MEDIUM

5.3

CVSS v3

NVD

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.

How to fix

Remediation Available

modicon m221 firmwareNVD

Affected:< 1.10.0.0Fixed in:1.10.0.0CVE-2018-7823derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

1.34%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Vendor Advisory1

schneider-electric.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.