EUVD-2026-71452
GHSA-xgjm-j2j6-xww6
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-accessible API call requiring only a low-privilege account; no integrity or availability impact - pure credential disclosure.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
An information disclosure vulnerability in the opcua-configuration method of /cgi-bin/wwwugw.cgi in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows any remote authenticated user, including users with the low-privileged Standard role, to retrieve the configured OPC-UA authentication credentials in cleartext via the JSON API response.
AnalysisAI
Cleartext credential exposure in MBS-Solutions X-Serie Gateway firmware V6_00_05 allows any authenticated user - including those with only the low-privileged Standard role - to retrieve OPC-UA server authentication credentials by querying the opcua-configuration method of the gateway's JSON API at /cgi-bin/wwwugw.cgi. The vulnerability stems from insufficient access control on a sensitive API response, meaning credential data is returned regardless of the requesting user's permission tier. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires network access to the MBS-Solutions X-Serie Gateway's HTTP management interface. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.5 Medium score with vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N accurately reflects this as a network-accessible, low-complexity, authenticated disclosure - the only barrier is holding any valid account. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No specific patched firmware version has been identified in the provided references or vendor advisory data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
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External POC / Exploit Code
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