CVE-2019-6553: Buffer Overflow

Published Apr 4, 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.

Affected Software

1 affected component
rockwellautomation Rslinx<=4.10.00

Event History

Apr 4, 2019
CVE Published
via MITRE·06:59 PM
Data Sourced
via MITRE·06:59 PM
DescriptionWeakness
Data Sourced
via NVD·07:29 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2019-6553?

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

2

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.

3

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.

4

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.

5

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)

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203