VDB-219840 · CVE-2022-45789 · SEVD-2023-010-06

Schneider Electric EcoStruxure Control Expert authentication replay

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.7	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Schneider Electric EcoStruxure Control Expert, EcoStruxure Process Expert, Modicon M340 CPU, Modicon M580 CPU and Modicon M580 CPU Safety. Impacted is an unknown function. The manipulation results in authentication replay. This vulnerability is known as CVE-2022-45789. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Schneider Electric EcoStruxure Control Expert, EcoStruxure Process Expert, Modicon M340 CPU, Modicon M580 CPU and Modicon M580 CPU Safety (SCADA Software). It has been classified as critical. Affected is an unknown code block. The manipulation with an unknown input leads to a authentication replay vulnerability. CWE is classifying the issue as CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A CWE-294: Authentication Bypass by Capture-replay vulnerability exists that could cause execution of unauthorized Modbus functions on the controller when hijacking an authenticated Modbus session. Affected Products: EcoStruxure™ Control Expert (All Versions), EcoStruxure™ Process Expert (Version V2020 & prior), Modicon M340 CPU (part numbers BMXP34*) (All Versions), Modicon M580 CPU (part numbers BMEP* and BMEH*) (All Versions), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions)

The weakness was published 01/31/2023 as SEVD-2023-010-06. The advisory is shared for download at download.schneider-electric.com. This vulnerability is traded as CVE-2022-45789 since 11/22/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1040.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

SCADA Software

Vendor

Schneider Electric

Name

License

commercial

Website

Vendor: https://www.schneider-electric.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.1
VulDB Temp Score: 8.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (Schneider Electric SE): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication replay
CWE: CWE-294 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/22/2022 🔍
01/31/2023 +70 days 🔍
01/31/2023 +0 days 🔍
02/25/2023 +25 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2023-010-06
Status: Confirmed

CVE: CVE-2022-45789 (🔍)
GCVE (CVE): GCVE-0-2022-45789
GCVE (VulDB): GCVE-100-219840

Entryinfo

Created: 01/31/2023 16:10
Updated: 02/25/2023 19:12
Changes: 01/31/2023 16:10 (48), 02/25/2023 19:12 (11)
Complete: 🔍
Cache ID: 216::103