Detections
Analytics

Siemens OZW Devices Authentication Bypass

medium Nessus Network Monitor Plugin ID 720121

Synopsis

A vulnerability was discovered in Siemens OZW that could allow an attacker to access or alter historical measurement data stored on the device.

Description

A vulnerability was discovered in Siemens OZW672 (all versions) and OZW772 (all versions) that could allow an attacker with access to port 21/tcp to access or alter historical measurement data stored on the device.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

See Also

http://www.securityfocus.com/bid/99473,https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-563539.pdf,https://ics-cert.us-cert.gov/advisories/ICSA-17-187-01

Plugin Details

Severity: Medium

ID: 720121

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

Patch Publication Date: 7/6/2017

Vulnerability Publication Date: 7/6/2017

Reference Information

CVE: CVE-2017-6872

BID: 99473