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CVE-2018-14827

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat...

7.5 High

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat actor may intentionally send specially crafted Ethernet/IP packets to Port 44818, causing the software application to stop responding and crash. The user must restart the software to regain functionality.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

3.76%Up 3.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat actor may intentionally send specially crafted Ethernet/IP packets to Port 44818, causing the software application to stop responding and crash. The user must restart the software to regain functionality.

Record
CVE-2018-14827
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-400
Updated
2026-11-02
CVE List No score

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat actor may intentionally send specially crafted Ethernet/IP packets to Port 44818, causing the software application to stop responding and crash. The user must restart the software to regain functionality.

Record
CVE-2018-14827
Weakness
CWE-400
Updated
2026-11-02
EUVDEUVD-2018-6711 No score

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat actor may intentionally send specially crafted Ethernet/IP packets to Port 44818, causing the software application to stop responding and crash. The user must restart the software to regain functionality.

Record
EUVD-2018-6711
Updated
2026-11-03
GitHub AdvisoriesGHSA-x977-8678-7c9x 7.5

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat...

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat actor may intentionally send specially crafted Ethernet/IP packets to Port 44818, causing the software application to stop responding and crash. The user must restart the software to regain functionality.

Record
GHSA-x977-8678-7c9x
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-400
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-14827 is a high vulnerability (CVSS 7.5) in Rockwell Automation Rslinx Classic, published September 20, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.76%, the 89th percentile. No source names a fixed version.

References

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