Stack-based Buffer Overflow in RSLinx Classic by Rockwell Automation
CVE-2019-6553

9.8CRITICAL

Key Information:

Vendor
Rockwell Automation
Status
Rslinx Classic
Vendor
CVE Published:
4 April 2019

Summary

An input validation flaw in a .dll file of RSLinx Classic allows attackers to exploit a stack-based buffer overflow by sending a malformed Forward Open service request. This vulnerability can potentially allow an unauthorized entity to execute arbitrary code, posing significant security risks to industrial control systems.

Affected Version(s)

RSLinx Classic 4.10.00 and prior

References

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

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.