Siemens VxWorks-based Industrial Products Heap Overflow (CVE-2021-29998)

critical Tenable OT Security Plugin ID 500741

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An issue was discovered in Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client.

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: Critical

ID: 500741

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 1/25/2023

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-29998

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

CPE: cpe:/o:siemens:scalance_x202-2_irt_firmware, cpe:/o:siemens:scalance_xf202-2p_irt_firmware, cpe:/o:siemens:scalance_x204-2ld_ts_firmware, cpe:/o:siemens:scalance_x224_firmware, cpe:/o:siemens:scalance_xf204-2ba_irt_firmware, cpe:/o:siemens:scalance_x206-1_firmware, cpe:/o:siemens:scalance_x208_pro_firmware, cpe:/o:siemens:scalance_xf206-1_firmware, cpe:/o:siemens:scalance_x204-2ts_firmware, cpe:/o:siemens:scalance_x206-1ld_firmware, cpe:/o:siemens:scalance_x204-2_firmware, cpe:/o:siemens:scalance_x204-2ld_firmware, cpe:/o:siemens:scalance_x300_firmware, cpe:/o:siemens:scalance_x204-2fm_firmware, cpe:/o:siemens:scalance_x201-3p_irt_pro_firmware, cpe:/o:siemens:scalance_xf201-3p_irt_firmware, cpe:/o:siemens:scalance_x208_firmware, cpe:/o:siemens:scalance_x201-3p_irt_firmware, cpe:/o:siemens:scalance_xf204-2_firmware, cpe:/o:siemens:scalance_x202-2p_irt_pro_firmware, cpe:/o:siemens:scalance_x204_irt_firmware, cpe:/o:siemens:scalance_x200-4_p_irt_firmware, cpe:/o:siemens:scalance_xf204_irt_firmware, cpe:/o:siemens:scalance_x212-2ld_firmware, cpe:/o:siemens:scalance_x204_irt_pro_firmware, cpe:/o:siemens:scalance_x212-2_firmware, cpe:/o:siemens:scalance_x408_firmware, cpe:/o:siemens:scalance_x202-2p_irt_firmware, cpe:/o:siemens:scalance_xf208_firmware, cpe:/o:siemens:scalance_xf204_firmware, cpe:/o:siemens:scalance_x216_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 4/13/2021

Vulnerability Publication Date: 4/13/2021

Reference Information

CVE: CVE-2021-29998

CWE: 787

ICSA: 21-194-12

Detections

Analytics