Cyber Resilience

CVE-2026-45432

HighUpdated

Published: 04 June 2026

Published
04 June 2026
Modified
17 June 2026
KEV Added
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Patch
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CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0024 15.5th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-45432 is a high-severity Cleartext Transmission of Sensitive Information (CWE-319) vulnerability in Org (inferred from references). Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Network Sniffing (T1040); ranked at the 15.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A04:2025 Cryptographic Failures

EU & UK References

Vulnerability details

This vulnerability exists in GX Earth ONT models due to the transmission of user credentials in plaintext over HTTP in its web management interface. A remote attacker could exploit this vulnerability by intercepting network traffic to obtain sensitive authentication information,…

more

which could lead to unauthorized access to the targeted device.

CWE(s)
CWE-319

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1040 Network Sniffing Credential Access
Adversaries may passively sniff network traffic to capture information about an environment, including authentication material passed over the network.
attack.mitre.org →
Why these techniques?

Plaintext credential transmission over HTTP directly enables network sniffing (T1040) to capture authentication material.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-67159Shared CWE-319
CVE-2025-10174Shared CWE-319
CVE-2026-42514Shared CWE-319
CVE-2025-13718Shared CWE-319
CVE-2026-31923Shared CWE-319
CVE-2026-30796Shared CWE-319
CVE-2023-53875Shared CWE-319
CVE-2025-34271Shared CWE-319
CVE-2025-24849Shared CWE-319
CVE-2024-36558Shared CWE-319

Affected Assets

Org
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AT-3 Role-based Training
addresses: CWE-319

Role-based training covers secure transmission methods, mitigating cleartext transmission of sensitive data.

CA-3 Information Exchange
addresses: CWE-319

By requiring documented security controls for information exchanges, the control reduces the risk of cleartext transmission of sensitive data.

CM-13 Data Action Mapping
addresses: CWE-319

Mapping transmission actions in data flows helps prevent cleartext transmission of sensitive information.

CM-6 Configuration Settings
addresses: CWE-319

Settings can enforce secure transmission protocols to prevent cleartext transmission of sensitive data.

MP-1 Policy and Procedures
addresses: CWE-319

Policy addresses secure transport and handling of media to avoid cleartext transmission of sensitive information.

PM-17 Protecting Controlled Unclassified Information on External Systems
addresses: CWE-319

Enforces safeguards against cleartext transmission of CUI when data leaves organizational boundaries to external systems.

SA-9 External System Services
addresses: CWE-319

Explicit controls and continuous oversight on external system services prevent cleartext transmission of sensitive information over provider-managed channels.

SC-12 Cryptographic Key Establishment and Management
addresses: CWE-319

Key-establishment procedures specify secure distribution channels that preclude cleartext transmission of key material.

References