HOMEVULNERABILITIESCVE-2018-8843
MEDIUM

CVE-2018-8843

CWE-416Published: May 14, 2018· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

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..

NVD Source

Technical Analysis

CVE-2018-8843 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Vendors & Products

rockwellautomation1 product(s)
arena
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/104166
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-18-130-02
ADVISORYhttp://www.securityfocus.com/bid/104166
ADVISORYhttps://ics-cert.us-cert.gov/advisories/ICSA-18-130-02

All References (4)

→
http://www.securityfocus.com/bid/104166Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-18-130-02Third Party Advisory · US Government Resource
→
http://www.securityfocus.com/bid/104166Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-18-130-02Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2018-8843
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-416
CISA KEVNo
Affected1 vendor(s)
PublishedMay 14, 2018

Related CVEs (CWE-416)

CVE-2012-4212
10.0
CVE-2012-4218
10.0
CVE-2026-13782
10.0
CVE-2011-0982
10.0
CVE-2010-2300
10.0
CVE-2024-43102
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-8843 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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