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M Bus 900S Firmware CVE-2023-33868

CRITICAL
Improper Restriction of Excessive Authentication Attempts (CWE-307)
2023-07-06 ics-cert@hq.dhs.gov
Information Disclosure M Bus 900S Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Jul 06, 2023 - 23:15 nvd
CRITICAL 9.8

DescriptionNVD

The number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication.

AnalysisAI

The number of login attempts is not limited. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-307. The number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication. Affected products include: Piigab M-Bus 900S Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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CVE-2023-33868 vulnerability details – vuln.today
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