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Fencer Intel
medium 5.5

CVE-2018-8843 json

Rockwell Automation Arena versions 15.10.00 and prior contains a use after free vulnerability caused by processing specially crafted Arena…

published 8y ago modified 4mo ago also EUVD-2018-20451

cvss
5.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Rockwell Automation Arena versions 15.10.00 and prior contains a use after free vulnerability caused by processing specially crafted Arena Simulation Software files that may cause the software application to crash, potentially losing any unsaved data..

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Vendor advisories

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

cisa ICSA-18-130-02 updated cvss 5.5

Rockwell Automation Arena

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

1.96% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

  • ICS-CERT Rockwell Automation Arena

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.