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Fencer Intel
high 7.5

CVE-2018-5452 json

A Stack-based Buffer Overflow issue was discovered in Emerson Process Management ControlWave Micro Process Automation Controller: ControlWa…

published 2018-03-07 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17222

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

A Stack-based Buffer Overflow issue was discovered in Emerson Process Management ControlWave Micro Process Automation Controller: ControlWave Micro [ProConOS v.4.01.280] firmware: CWM v.05.78.00 and prior. A stack-based buffer overflow vulnerability caused by sending crafted packets on Port 20547 could force the PLC to change its state into halt mode.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-058-03 updated cvss 7.5

Emerson ControlWave Micro Process Automation Controller

  • Emerson ControlWave Micro [ProConOS v.4.01.280] firmware <=05.78.00
    affected: vendor fix, mitigation “Assess which ControlWave products in your organization have Ethernet connectivity.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.15% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a Emerson ControlWave Micro Process Automation Controller

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.