Security readout for executives and security teams
Plain-English summary
This flaw could let a highly privileged user influence a file path so the module loads an unauthorized firmware image. The business concern is operational disruption, not data theft: the CVSS vector shows high availability impact and no confidentiality impact.
Executive priority
Treat this as a targeted OT exposure review. It is not described as actively exploited, but affected production modules should be identified and governed because unauthorized firmware loading can threaten availability.
Technical view
CVE-2022-34765 is CWE-73 external control of file name or path in Schneider Electric communication modules. Network access, low attack complexity, high privileges, and no user interaction are listed. Impact is low integrity and high availability from possible unauthorized firmware image loading.
Likely exposure
Exposure is limited to Schneider Electric X80 advanced RTU Communication Module BMENOR2200H V2.01 and later, and OPC UA Modicon Communication Module BMENUA0100 V1.10 and prior.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Exploitation requires high privileges, but affected devices may sit in operational technology environments where firmware integrity and availability matter.
Researcher notes
Evidence is limited to the CVE record and Schneider advisory reference. Do not assume additional affected products, public exploits, or fixed versions beyond the cited advisory. The key validation focus is product identity, firmware version, and privileged access control.
Mitigation direction
- Inventory BMENOR2200H and BMENUA0100 modules and record firmware versions.
- Review Schneider Electric advisory SEVD-2022-193-01 for official fixes or mitigations.
- Restrict privileged management access to affected modules to trusted administrators.
- Apply vendor-approved firmware or configuration guidance only after OT change review.
- Monitor firmware change activity and investigate unauthorized image loading indicators.
Validation and detection
- Confirm whether deployed BMENOR2200H modules are V2.01 or later.
- Confirm whether deployed BMENUA0100 modules are V1.10 or prior.
- Check asset records against Schneider Electric advisory SEVD-2022-193-01.
- Review administrative access paths for unnecessary network exposure.
- Verify firmware update procedures require authorization and integrity checks.
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-73: 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-2022-34765 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/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:H/UI:N/S:U/C:N/I:L/A:H1.24.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
Source materials
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.
External Control of File Name or Path
External Control of File Name or Path represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
