CVE-2023-45213

Cross-boundary information disclosure via permissive domain policy

Published Feb 6, 2024 · Updated May 15, 2025

Permissive cross-domain policy in Westermo Lynx L206-F2G1 firmware 4.24 allows attackers to read device data from an adjacent network. The published record identifies an overly broad cross-domain trust policy but does not disclose the policy file, trusted-domain comparison, or request path. Exploitation requires user interaction and can disclose information across a security boundary; no integrity or availability impact is reported.

CVSS severity6.6
Medium
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Permissive cross-domain policy in Westermo Lynx L206-F2G1 firmware 4.24 allows attackers to read device data from an adjacent network. The published record identifies an overly broad cross-domain trust policy but does not disclose the policy file, trusted-domain comparison, or request path. Exploitation requires user interaction and can disclose information across a security boundary; no integrity or availability impact is reported.

The record

CVE
CVE-2023-45213
Published
Feb 6, 2024
Updated
May 15, 2025
Vendor
Westermo
Product
Lynx
Classifications
CWE-942, CWE-697
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 6, 2024CVE publishedPublication date reported by the CVE source.
  2. May 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.24
  2. Affected versionversion=L206-F2G1

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Westermo · Lynxversion=4.24; version=L206-F2G1

Published CVSS scores

6.6ICS-CERTCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-942Permissive Cross-domain Policy with Untrusted Domains
CWE-697Incorrect Comparison

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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