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HIGH

CVE-2023-34995

CVE-2023-34995 — PiiGAB M-Bus Weak Password Requirements

There are no requirements for setting a complex password for PiiGAB M-Bus, which could contribute to a successful brute force attack if the password is inline with recommended password guidelines.

Published Updated Sources: cvelistV5, icscert

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

1%

chance of exploitation in 30 days

Affects

piigab

2 products listed

CVSS base

7.5

HIGH

CISA SSVC assessment

Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.

CISA

Exploitation

None

none · proof-of-concept · active

Automatable

Yes

can an attacker script all four kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

piigab

Products (2)

m bus softwarepackm bus 900s

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
7.5CVSS 3.1HIGH——cvelistV5

Weakness & attack patterns

  • CWE-521

Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.

  • T1110Brute Force
  • T1110.001Brute Force: Password Guessing
  • T1558.003Steal or Forge Kerberos Tickets: Kerberoasting

References

1 on the record

Elsewhere on this site

  • piigabevery CVE for this vendor
  • CWE-521other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.