Security readout for executives and security teams
Plain-English summary
This issue affects a listed Westermo Lynx configuration and involves an overly permissive cross-domain policy. An attacker who can access the device may be able to run malicious code that disrupts expected device behavior. The provided sources do not state active exploitation or name a specific fix.
Executive priority
Treat as a moderate OT exposure item. It is not listed as known exploited in the provided data, but affected devices in operational networks should be identified and remediated through vendor guidance.
Technical view
CVE-2023-45213 is mapped to CWE-942, permissive cross-domain policy with untrusted domains. The provided CVSS 3.1 score is 6.6 with adjacent-network attack vector, low complexity, no privileges, and user interaction required. The affected entry lists Westermo Lynx L206-F2G1 version 4.24.
Likely exposure
Exposure appears limited to environments with Westermo Lynx L206-F2G1 version 4.24 reachable by an adjacent attacker. Asset owners should focus on industrial or operational networks where these devices are deployed and accessible.
Exploitation context
The provided bundle does not show CISA KEV listing or other evidence of active exploitation. The attack vector is adjacent network and requires user interaction, which lowers broad internet-scale risk but remains relevant in trusted OT network segments.
Researcher notes
The evidence is sparse. The CVSS vector indicates adjacent access and user interaction, while CWE-942 points to overly permissive cross-domain policy. Do not assume broader product impact, exploit availability, or a fixed version from the provided bundle alone.
Mitigation direction
- Check Westermo and CISA guidance for supported remediation or firmware updates.
- Restrict access to affected Lynx devices to trusted administrative networks.
- Reduce adjacent-network reachability from user workstations and untrusted segments.
- Monitor vendor advisories for confirmed fixed versions and operational mitigations.
Validation and detection
- Inventory Westermo Lynx devices and confirm exact model and version.
- Prioritize Lynx L206-F2G1 devices running version 4.24.
- Review device configuration for permissive cross-domain policy exposure.
- Confirm whether the device is reachable from adjacent or user-accessible networks.
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-942: 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-2023-45213 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
- 6.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/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:A/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N2.14Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.6MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/news-events/ics-advisories/icsa-24-023-04CVE 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.
Permissive Cross-domain Security Policy with Untrusted Domains
Permissive Cross-domain Security Policy with Untrusted Domains represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.