CVE & CISA-KEV Catalog

CVE-2018-7857

HIGHEPSS 73th pctl
7.5
CVSS v3
NVD

Description

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a possible Denial of Service when writing out of bounds variables to the controller over Modbus.

CWE-754

How to fix

Remediation Available
modicon m340 firmwareNVD
Affected:< 3.01Fixed in:3.01CVE-2018-7857derived from NVD
modicon m580 firmwareNVD
Affected:< 2.80Fixed in:2.80CVE-2018-7857derived from NVD
modicon premium firmwareNVD
Affected:< 3.20Fixed in:3.20CVE-2018-7857derived from NVD
modicon quantum firmwareNVD
Affected:< 3.60Fixed in:3.60CVE-2018-7857derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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
AvailabilityHigh

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

Exploit Intelligence

1.58%probability of exploitation in 30 days
73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-754 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-4367High8.873%-Fix
CVE-2022-39288High7.559%-Fix
CVE-2023-30591High7.554%--
CVE-2023-41993High8.829%KEVFix
CVE-2024-43044High8.829%-Fix
CVE-2024-3393High7.529%KEVFix

Common questions

How do I fix CVE-2018-7857?

Published advisories record a fix for 4 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2018-7857 being actively exploited?

Not that we know of. CVE-2018-7857 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 73% of all scored CVEs.

How severe is CVE-2018-7857?

CVE-2018-7857 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-7857 affect?

Published advisories record a fix for modicon m340 firmware (NVD), modicon m580 firmware (NVD), modicon premium firmware (NVD), modicon quantum firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2018-7857
CVE-2018-7857 severity badge

Markdown

[![CVE-2018-7857](https://tridentstack.com/cve/badge/CVE-2018-7857.svg)](https://tridentstack.com/cve/CVE-2018-7857)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-7857"><img src="https://tridentstack.com/cve/badge/CVE-2018-7857.svg" alt="CVE-2018-7857"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it worksStart freeThis CVE lookup is free and always will be.

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.