Security readout for executives and security teams
Plain-English summary
Siemens SiPass integrated versions before V2.90.3.8 can be crashed remotely during configuration client login handling. The business impact is availability: access-control management services may become unavailable until restored. The source bundle does not show data theft, privilege escalation, or confirmed active exploitation.
Executive priority
Treat this as a high-priority availability risk for physical security operations. Patch scheduling should be prompt, but urgency depends on network exposure and operational reliance on SiPass integrated.
Technical view
Affected SiPass integrated server applications fail to properly check packet size during configuration client login, causing a stack-based buffer overflow. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, availability-only high impact. CWE is listed as CWE-20.
Likely exposure
Organizations running Siemens SiPass integrated below V2.90.3.8 are exposed, especially where the server application or configuration client login service is reachable over internal or external networks.
Exploitation context
The bundle does not report CISA KEV listing or active exploitation. The CVSS temporal vector includes E:P, indicating proof-of-concept maturity, but provided sources only support denial-of-service impact.
Researcher notes
Evidence supports unauthenticated remote denial of service through improper packet-size validation in configuration client login handling. Sources do not support confidentiality or integrity impact, code execution, affected CPEs, or active exploitation claims.
Mitigation direction
- Upgrade SiPass integrated to V2.90.3.8 or later.
- Review Siemens SSA-924149 for vendor-specific remediation guidance.
- Restrict network access to SiPass integrated server and configuration interfaces.
- Monitor server availability and abnormal connection patterns.
- Prioritize backup and restart procedures for access-control operations.
Validation and detection
- Inventory SiPass integrated installations and record exact versions.
- Confirm no production server remains below V2.90.3.8.
- Verify configuration interfaces are not exposed to untrusted networks.
- Check monitoring for crashes or unexpected restarts.
- Document compensating controls where upgrade is delayed.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-20: 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 lookupCVE-2022-31810 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:N/I:N/A:H/E:P/RL:O/RC:C
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:N/I:N/A:H/E:P/RL:O/RC:C3.93.6Primary 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:N/I:N/A:H/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://cert-portal.siemens.com/productcert/pdf/ssa-924149.pdfCVE 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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.