What’s Vulnerable › Vulnerabilities

CVE-2021-41123: Exposure of Sensitive Information to an Unauthorized Actor in WB.UI.Headquarters.dll

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-04 · updated 2026-06-17
• Weakness: CWE-200

Description

Survey Solutions is a survey management and data collection system. In affected versions the Headquarters application publishes /metrics endpoint available to any user. None of the survey answers are ever exposed, only the aggregate counters, including count of interviews, or count of assignments. Starting from version 21.09.1 the endpoint is turned off by default.

Affected products

• surveysolutions: before 21.09.1 — fixed in 21.09.1

How to fix

Upgrade to a fixed version: surveysolutions 21.09.1. Check the vendor advisory for mitigations.

References

• https://github.com/surveysolutions/surveysolutions/commit/99e7e8345cb98f2eda08e37976e3d3aeb49971c9
• https://github.com/surveysolutions/surveysolutions/security/advisories/GHSA-6c7j-7jf3-9p3j
• https://github.com/surveysolutions/surveysolutions/commit/99e7e8345cb98f2eda08e37976e3d3aeb49971c9
• https://github.com/surveysolutions/surveysolutions/security/advisories/GHSA-6c7j-7jf3-9p3j

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