WAGO Unmanaged Switch 01 Configuration Interface backdoor

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability was found in WAGO Unmanaged Switch 01. It has been classified as critical. This vulnerability affects unknown code of the component Configuration Interface. This manipulation causes backdoor. This vulnerability is handled as CVE-2022-3843. The attack can be initiated remotely. There is not any exploit available. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability was found in WAGO Unmanaged Switch 01. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Configuration Interface. The manipulation with an unknown input leads to a backdoor vulnerability. The CWE definition for the vulnerability is CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In WAGO Unmanaged Switch (852-111/000-001) in firmware version 01 an undocumented configuration interface without authorization allows an remote attacker to read system information and configure a limited set of parameters.

The weakness was released 02/16/2023 as VDE-2022-055. It is possible to read the advisory at cert.vde.com. This vulnerability is known as CVE-2022-3843 since 11/02/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1588.001 according to MITRE ATT&CK.

Proper firewalling of is able to address this issue.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.1
CNA Vector (CERT VDE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Backdoor
CWE: CWE-912
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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/02/2022 🔍
02/16/2023 +106 days 🔍
02/16/2023 +0 days 🔍
02/16/2023 +0 days 🔍

Sourcesinfo

Advisory: VDE-2022-055
Status: Confirmed

CVE: CVE-2022-3843 (🔍)
GCVE (CVE): GCVE-0-2022-3843
GCVE (VulDB): GCVE-100-221191

Entryinfo

Created: 02/16/2023 18:37
Changes: 02/16/2023 18:37 (50)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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