Schneider Electric Modicon M340 CPU Modbus TCP Protocol information disclosure
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Schneider Electric Modicon M340 CPU, Modicon M580 CPU, Modicon MC80, Modicon M580 CPU Safety, Modicon Momentum MDI and Legacy Modicon Quantum (SCADA Software) and classified as problematic. Affected by this issue is an unknown code of the component Modbus TCP Protocol Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:
A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)
The weakness was disclosed 02/01/2023 as SEVD-2022-221-04. The advisory is available at download.schneider-electric.com. This vulnerability is handled as CVE-2021-22786 since 01/06/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
Upgrading eliminates this vulnerability.
Product
Type
Vendor
Name
- Legacy Modicon Quantum
- Modicon M340 CPU
- Modicon M580 CPU
- Modicon M580 CPU Safety
- Modicon MC80
- Modicon Momentum MDI
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (Schneider Electric SE): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
01/06/2021 🔍02/01/2023 🔍
02/01/2023 🔍
02/01/2023 🔍
Sources
Vendor: schneider-electric.comAdvisory: SEVD-2022-221-04
Status: Confirmed
CVE: CVE-2021-22786 (🔍)
Entry
Created: 02/01/2023 10:42Changes: 02/01/2023 10:42 (50)
Complete: 🔍
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