Siemens SCALANCE X-200RNA Switch Devices Exposure of Sensitive Information to an Unauthorized Actor (CVE-2016-2107)

medium Tenable OT Security Plugin ID 503061

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The AES-NI implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h does not consider memory allocation during a certain padding check, which allows remote attackers to obtain sensitive cleartext information via a padding-oracle attack against an AES CBC session.
NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-0169.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

https://support.industry.siemens.com/cs/ww/en/view/109814809/

https://www.cisa.gov/news-events/ics-advisories/icsa-22-349-21

Plugin Details

Severity: Medium

ID: 503061

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 3/13/2025

Updated: 3/13/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: cpe:/o:siemens:scalance_x204rna_%28hsr%29_firmware:3.2.7, cpe:/o:siemens:scalance_x204rna_eec_%28prp%29_firmware:3.2.7, cpe:/o:siemens:scalance_x204rna_eec_%28prp%2fhsr%29_firmware:3.2.7, cpe:/o:siemens:scalance_x204rna_%28prp%29_firmware:3.2.7, cpe:/o:siemens:scalance_x204rna_eec_%28hsr%29_firmware:3.2.7

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 12/13/2022

Vulnerability Publication Date: 12/13/2022

Reference Information

CVE: CVE-2016-2107

CWE: 200

ICSA: 22-349-21