CVE-2023-35120 - CVE House
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Status published High CVE-2023-35120

PiiGAB M-Bus Cross-Site Request Forgery

Vulnerability Description

PiiGAB M-Bus is vulnerable to cross-site request forgery. An attacker who wants to execute a certain command could send a phishing mail to the owner of the device and hope that the owner clicks on the link. If the owner of the device has a cookie stored that allows the owner to be logged in, then the device could execute the GET or POST link request.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Floris Hendriks and Jeroen Wijenbergh of Radboud University reported these vulnerabilities to CISA.

References

More from PiiGAB

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CVE-2023-36859
PiiGAB M-Bus Code Injection
High 8.8
CVE-2023-35987
PiiGAB M-Bus Use of Hard-coded Credentials
Critical 9.8
CVE-2023-35765
PiiGAB M-Bus Plaintext Storage of a Password
Medium 6.5
CVE-2023-34995
PiiGAB M-Bus Weak Password Requirements
High 7.5
CVE-2023-34433
PiiGAB M-Bus Use of Password Hash With Insufficient Computational Effort
High 7.5

Affected Vendor

Affected Software

M-Bus SoftwarePack
Vulnerable Versions:
900S

Timeline

Official Publish: July 6th, 2023
Last Modified: November 13th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-352

MITRE ATT&CK TTPs

T1566.002 Spearphishing Link
Initial Access
T1204.001 Malicious Link
Execution
T1098 Account Manipulation
Persistence
T1565.001 Stored Data Manipulation
Impact