CVE-2021-41123: Survey Solutions is a survey management and data collection system

Q: How do I fix CVE-2021-41123?

survey solutions: upgrade to 21.09.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-41123 being exploited?

CVE-2021-41123 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-41123 affect?

CVE-2021-41123 affects survey solutions. Severity is medium (CVSS 5.3). 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 counter

Q: How urgent is CVE-2021-41123?

Priority 38/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2021-41123 is a medium-severity flaw (CVSS 5.3) affecting survey solutions. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-200
Published	2021-10-04
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: mysurvey

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-10-04 23:15 UTCPublished CVE record published
2026-06-17 04:07 UTCUpdated Record last modified

mysurvey survey solutions UPGRADE

Affected: < 21.09.1

Fixed in: 21.09.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy survey-solutions || rpm -q survey-solutions || survey-solutions --version

2. UPGRADE to 21.09.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade survey-solutions

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade survey-solutions

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-41123?

survey solutions: upgrade to 21.09.1. Exact commands for each OS are on this page.

Is CVE-2021-41123 being exploited?

CVE-2021-41123 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-41123 affect?

CVE-2021-41123 affects survey solutions. Severity is medium (CVSS 5.3). 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 counter

How urgent is CVE-2021-41123?

Priority 38/100. Remotely exploitable, no login, no user action

References

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