Schneider Electric PowerLogic Improper Input Validation (CVE-2021-22768)

critical Tenable OT Security Plugin ID 500906

Synopsis

The remote OT asset is affected by a vulnerability.

Description

** UNSUPPORTED WHEN ASSIGNED ** A CWE-20: Improper Input Validation vulnerability exists in PowerLogic EGX100 (Versions 3.0.0 and newer) and PowerLogic EGX300 (All Versions) that could cause denial of service or remote code execution via a specially crafted HTTP packet.This CVE ID is unique from CVE-2021-22767.

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

http://www.nessus.org/u?55fb5aac

Plugin Details

Severity: Critical

ID: 500906

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 3/29/2023

Updated: 8/22/2023

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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-2021-22768

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:schneider-electric:powerlogic_egx300_firmware, cpe:/o:schneider-electric:powerlogic_egx100_firmware

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 6/11/2021

Vulnerability Publication Date: 6/11/2021

Reference Information

CVE: CVE-2021-22768

CWE: 20