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CVE-2023-4102: Multiple vulnerabilities in IDM Sistemas QSige

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-03 · updated 2026-06-17
• Weakness: CWE-89

Description

QSige login SSO does not have an access control mechanism to verify whether the user requesting a resource has sufficient permissions to do so. As a prerequisite, it is necessary to log into the application.

Affected products

• IDM Sistemas QSige QSige: 3.0.0.0

References

• https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-idm-sistemas-qsige
• https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-idm-sistemas-qsige

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