Security readout for executives and security teams
Plain-English summary
This issue means PiiGAB M-Bus SoftwarePack 900S protects stored passwords with a weak hashing method. If an attacker obtains those stored hashes, the passwords may be easier to recover, increasing risk to connected operational systems.
Executive priority
Treat as high priority where PiiGAB M-Bus SoftwarePack 900S supports operational environments. Prioritize inventory, vendor guidance, and exposure reduction because the weakness affects credential protection.
Technical view
CVE-2023-34433 is CWE-916: use of password hash with insufficient computational effort. The listed CVSS 3.1 score is 7.5, with network attack vector, low complexity, no privileges, no user interaction, and high confidentiality impact only.
Likely exposure
Exposure appears limited to PiiGAB M-Bus SoftwarePack 900S. The provided CVE data lists other default status as unaffected and does not identify additional versions or products.
Exploitation context
The source bundle does not report active exploitation, and KEV is false. The main risk is credential compromise if weakly protected password hashes are obtained. Evidence provided does not describe public exploit activity.
Researcher notes
Available evidence is sparse: the bundle states weak password hashing but does not include implementation details, patch version, or exploit observations. Avoid assuming affected scope beyond SoftwarePack 900S.
Mitigation direction
- Identify any PiiGAB M-Bus SoftwarePack 900S deployments.
- Check PiiGAB and CISA guidance for fixed versions or approved mitigations.
- Limit network access to the software to required trusted hosts.
- Do not rely on password rotation alone unless vendor guidance says it resolves exposure.
Validation and detection
- Confirm installed product name and version against the affected 900S entry.
- Review asset exposure paths for network access to the affected software.
- Check whether vendor guidance or CISA advisory names updates or compensating controls.
- Document whether stored credentials require follow-up after remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-916: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-34433 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-187-01CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Password Hash With Insufficient Computational Effort
Use of Password Hash With Insufficient Computational Effort represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.