CVE-2019-6553

critical
New! CVE Severity Now Using CVSS v3

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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.

References

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

Details

Source: MITRE

Published: 2019-04-04

Updated: 2020-10-06

Type: CWE-787

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:rockwellautomation:rslinx:*:*:*:*:classic:*:*:* versions up to 4.10.00 (inclusive)

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
500296Rockwellautomation Rslinx Improper Restriction of Operations within the Bounds of a Memory BufferTenable.otSCADA
critical
720260Rockwell Automation RSLinx Classic <= 4.10.00 Stack-Based Buffer OverflowNessus Network MonitorSCADA
critical
123010Rockwell Automation RSLinx Classic ENGINE.dll Stack Buffer Overflow (CVE-2019-6553)NessusSCADA
critical