Security readout for executives and security teams
Plain-English summary
This flaw lets an unauthenticated network attacker upload malicious code through the FDS102 configuration upload function. For rail diagnostic environments using affected Frauscher FDS102 versions, the business risk is device takeover with loss of confidentiality, integrity, and availability.
Executive priority
Treat this as urgent for any rail diagnostic environment with affected FDS102 systems. The issue is unauthenticated and can fully compromise the device, but urgency depends on whether those devices are deployed and reachable.
Technical view
CVE-2022-3575 is a CWE-434 unrestricted upload issue in Frauscher Diagnostic System FDS102 for FAdC R2 and FAdCi R2. The CVSS 3.1 score is 9.8, with network attack vector, no privileges, no user interaction, and high CIA impact.
Likely exposure
Exposure is limited to organizations running Frauscher FDS102 for FAdC R2 or FAdCi R2, especially versions described as v2.8.0 to v2.9.1. The bundle’s affected metadata only lists v2.8.0, so confirm exact scope with Frauscher PSIRT.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The risk remains high because exploitation is described as unauthenticated, network-accessible, low complexity, and capable of complete device compromise.
Researcher notes
The source bundle establishes product, impact, CWE-434 classification, and CVSS vector. It does not include exploit details, indicators of compromise, or a named fixed version. Version scope has a discrepancy between narrative description and affected metadata.
Mitigation direction
- Check Frauscher PSIRT guidance for supported fixed versions or compensating controls.
- Inventory FDS102 deployments and identify FAdC R2 or FAdCi R2 use.
- Restrict configuration upload interfaces to trusted management networks only.
- Remove internet or untrusted network reachability for affected FDS102 systems.
- Prioritize upgrade or vendor-approved remediation for affected versions.
Validation and detection
- Confirm FDS102 firmware/software version on each deployed device.
- Verify whether configuration upload is reachable from untrusted networks.
- Review device logs for unexpected configuration uploads or administrative changes.
- Compare deployment versions against Frauscher PSIRT’s current advisory scope.
- Document any affected operational environments and remediation owner.
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-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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-2022-3575 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.frauscher.com/en/psirtCVE 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.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.