Rockwell Automation RSLinx Classic <= 4.10.00 Stack-Based Buffer Overflow

High Nessus Network Monitor Plugin ID 720260


Rockwell Automation RSLinx Classic is affected by a stack-based buffer overflow vulnerability.


An input validation issue (CWE-121) exists 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.


Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

Plugin Details

Severity: High

ID: 720260

Family: SCADA

Published: 2019/06/04

Updated: 2019/09/30

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 2019/03/05

Vulnerability Publication Date: 2019/03/05

Reference Information

CVE: CVE-2019-6553