Siemens SCALANCE X-200RNA Switch Devices Improper Input Validation (CVE-2016-6305)

high Tenable OT Security Plugin ID 503096

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The ssl3_read_bytes function in record/rec_layer_s3.c in OpenSSL 1.1.0 before 1.1.0a allows remote attackers to cause a denial of service (infinite loop) by triggering a zero-length record in an SSL_peek call.

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.

Plugin Details

Severity: High

ID: 503096

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: 4.4

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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-2016-6305

CWE: 20

ICSA: 22-349-21

Detections

Analytics