CVE-2019-6553

Description

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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 5.35% Top 15%
Third-Party Advisory us-cert.gov
Affected: Rockwell Automation RSLinx Classic
Published at:
Updated at:

References

Link Tags
https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2019-6553?
CVE-2019-6553 has been scored as a critical severity vulnerability.
How to fix CVE-2019-6553?
To fix CVE-2019-6553, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-6553 being actively exploited in the wild?
It is possible that CVE-2019-6553 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-6553?
CVE-2019-6553 affects Rockwell Automation RSLinx Classic.
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