What is the severity of CVE-2019-6553?

The severity of CVE-2019-6553 is critical with a severity value of 9.8.

How does CVE-2019-6553 impact Rockwell Automation RSLinx Classic?

CVE-2019-6553 allows an attacker to exploit a stack-based buffer overflow vulnerability in RSLinx Classic versions 4.10.00 and prior.

How can I fix the vulnerability in Rockwell Automation RSLinx Classic?

To fix the vulnerability in Rockwell Automation RSLinx Classic, it is recommended to update to a version higher than 4.10.00.

What is the Common Weakness Enumeration (CWE) ID for CVE-2019-6553?

The Common Weakness Enumeration (CWE) ID for CVE-2019-6553 are 119, 20, 787, and 121.

Where can I find more information about CVE-2019-6553?

You can find more information about CVE-2019-6553 at the following link: [https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01](https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01)

Vulnerability/
CVE-2019-6553

critical

9.8

CWE

787 121 119 20

4/4/2019

21/11/2024

CVE-2019-6553: Buffer Overflow

First published: Thu Apr 04 2019(Updated: )

A vulnerability was found in Rockwell Automation RSLinx Classic versions 4.10.00 and prior. An input validation issue in a .dll file of RSLinx Classic where the data in a Forward Open service request is passed to a fixed size buffer, allowing an attacker to exploit a stack-based buffer overflow condition.

Credit: ics-cert@hq.dhs.gov ics-cert@hq.dhs.gov

Affected Software	Affected Version	How to fix
Rockwellautomation Rslinx	<=4.10.00
	<=4.10.00

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Reference Links

https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01

Frequently Asked Questions

What is the severity of CVE-2019-6553?
The severity of CVE-2019-6553 is critical with a severity value of 9.8.
How does CVE-2019-6553 impact Rockwell Automation RSLinx Classic?
CVE-2019-6553 allows an attacker to exploit a stack-based buffer overflow vulnerability in RSLinx Classic versions 4.10.00 and prior.
How can I fix the vulnerability in Rockwell Automation RSLinx Classic?
To fix the vulnerability in Rockwell Automation RSLinx Classic, it is recommended to update to a version higher than 4.10.00.
What is the Common Weakness Enumeration (CWE) ID for CVE-2019-6553?
The Common Weakness Enumeration (CWE) ID for CVE-2019-6553 are 119, 20, 787, and 121.
Where can I find more information about CVE-2019-6553?
You can find more information about CVE-2019-6553 at the following link: [https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01](https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01)

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