Detections
Analytics

Rockwell Automation PowerFlex 525 AC Drives <= 5.001 Resource Exhaustion DOS

critical Nessus Network Monitor Plugin ID 720284

Synopsis

Rockwell Automation/Allen-Bradley PowerFlex 525 AC Drives &lt;= 5.001 may be be exploitable remotely that would result in resource exhaustion, denial of service, and/or memory corruption.

Description

A remote, unauthenticated threat actor can repeatedly send specific CIP packets to an affected PowerFlex 525 drive, which may allow disruption of the availability of the device.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

https://www.us-cert.gov/ics/advisories/ICSA-19-087-01

Plugin Details

Severity: Critical

ID: 720284

Family: SCADA

Published: 8/20/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS v3

Risk Factor: Critical

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: 3/28/2019

Vulnerability Publication Date: 3/28/2019

Reference Information

CVE: CVE-2018-19282