Schneider Electric EcoStruxure Control Expert Modbus password recovery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Schneider Electric EcoStruxure Control Expert, EcoStruxure Process Expert, EcoStruxure Hybrid DCS, Modicon M340 CPU and Modicon M580 CPU and classified as critical. Affected by this issue is some unknown functionality of the component Modbus Handler. Such manipulation leads to password recovery. This vulnerability is uniquely identified as CVE-2022-37300. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Schneider Electric EcoStruxure Control Expert, EcoStruxure Process Expert, EcoStruxure Hybrid DCS, Modicon M340 CPU and Modicon M580 CPU (SCADA Software). Affected by this issue is an unknown code of the component Modbus Handler. The manipulation with an unknown input leads to a password recovery vulnerability. Using CWE to declare the problem leads to CWE-640. The product contains a mechanism for users to recover or change their passwords without knowing the original password, but the mechanism is weak. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Affected Products: EcoStruxure Control Expert Including all Unity Pro versions (former name of EcoStruxure Control Expert) (V15.0 SP1 and prior), EcoStruxure Process Expert, Including all versions of EcoStruxure Hybrid DCS (former name of EcoStruxure Process Expert) (V2021 and prior), Modicon M340 CPU (part numbers BMXP34*) (V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*) (V3.20 and prior).

The weakness was disclosed 09/13/2022 as SEVD-2022-221-01. The advisory is shared for download at se.com. This vulnerability is handled as CVE-2022-37300 since 08/01/2022. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/13/2022). The MITRE ATT&CK project declares the attack technique as T1552.

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

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (Schneider Electric SE): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Password recovery
CWE: CWE-640
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/01/2022 🔍
09/13/2022 +43 days 🔍
09/13/2022 +0 days 🔍
09/13/2022 +0 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2022-221-01
Status: Confirmed

CVE: CVE-2022-37300 (🔍)
GCVE (CVE): GCVE-0-2022-37300
GCVE (VulDB): GCVE-100-208352

Entryinfo

Created: 09/13/2022 10:29
Changes: 09/13/2022 10:29 (48)
Complete: 🔍
Cache ID: 216::103

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