CVE-2022-2102
Assigner: icscert
Published: 2022-06-23T00:00:00
State: PUBLISHED
affected: product: SEPCOS Control and Protection Relay firmware package
vendor: Secheron
versions: changes: at: 1.24.8
status: unaffected
at: 1.25.3
status: unaffected
lessThan: 1.23.21
status: affected
version: All versions
versionType: custom
credits: value: Anthony Candarini of AECOM, Clark Bradley of Elliott Davis, Mike Curnow of AECOM, and Balakrishna Subramoney of SAM Analytic Solutions reported these vulnerabilities to CISA.
datePublic: 2022-06-23T00:00:00
descriptions: value: Controls limiting uploads to certain file extensions may be bypassed. This could allow an attacker to intercept the initial file upload page response and modify the associated code. This modified code can be forwarded and used by a script loaded later in the sequence, allowing for arbitrary file upload into a location where PHP scripts may be executed.
metrics: cvssV3_1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.4
baseSeverity: CRITICAL
confidentialityImpact: LOW
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
version: 3.1
problemTypes: descriptions: cweId: CWE-841
description: CWE-841  IMPROPER ENFORCEMENT OF BEHAVIORAL WORKFLOW
type: CWE
solutions: value: Secheron recommends updating its software to the latest version:

SEPCOS Single Package firmware (1.23.xx feature level): Update to 1.23.22 or higher version
SEPCOS Single Package firmware (1.24.xx feature level): Update to 1.24.8 or higher version
SEPCOS Single Package firmware (1.25.xx feature level): Update to 1.25.3 or higher version
source: advisory: ICSA-22-174-03
discovery: EXTERNAL
title: Secheron SEPCOS Control and Protection Relay
workarounds: value: Additional workarounds are suggested to help reduce the risk:

Configure the network such that PLC communications are strictly limited to only the devices required to perform its functions.
Limit remote access and close Ports 80 and 443 at the switch level.
Only use approved devices to connect to the PLCs. Do not connect personal peripherals (USB sticks, hotspots) to approved devices.
Check device logs during periodic maintenance for unauthorized changes or access.
x_generator: engine: Vulnogram 0.0.9