CVE-2023-34433 : PiiGAB M-Bus stores passwords using a weak hash algorithm.

PiiGAB M-Bus stores passwords using a weak hash algorithm.

Published 2023-07-07 00:15:10

Updated 2023-07-14 17:58:47

Source ICS-CERT

View at NVD, CVE.org

Products affected by CVE-2023-34433

Piigab » M-bus 900s Firmware » Version: N/A
cpe:2.3:o:piigab:m-bus_900s_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Piigab » M-bus 900s » Version: N/A

EPSS FAQ

0.07%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 22 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	ICS-CERT
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-916 Use of Password Hash With Insufficient Computational Effort

The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive.

Assigned by: ics-cert@hq.dhs.gov (Primary)

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