CVE-2021-41128: Hygeia is an application for collecting and processing personal and case data in connection with communicable

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CRITICAL 9.1UPGRADE

CVE-2021-41128 is a critical-severity flaw (CVSS 9.1) affecting hygeia. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Hygeia is an application for collecting and processing personal and case data in connection with communicable diseases. In affected versions all CSV Exports (Statistics & BAG MED) contain a CSV Injection Vulnerability. Users of the system are able to submit formula as exported fields which then get executed upon ingestion of the exported file. There is no validation or sanitization of these formula fields and so malicious may construct malicious

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-74
Published	2021-10-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: hygeia project

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

Am I affected?

Timeline

2021-10-06 18:15 UTCPublished CVE record published
2026-06-17 04:07 UTCUpdated Record last modified

hygeia project hygeia UPGRADE

Affected: >= 1.11.0 and < 1.30.4

Fixed in: 1.30.4

Safe to downgrade to: a release before 1.11.0

1. Check installed version

apt-cache policy hygeia || rpm -q hygeia || hygeia --version

2. UPGRADE to 1.30.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hygeia

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hygeia

Note

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

3. If no update is available yet, DOWNGRADE to a release before 1.11.0 (Debian / Ubuntu)

apt-cache madison hygeia sudo apt install hygeia=<VERSION_BEFORE_1.11.0> sudo apt-mark hold hygeia

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list hygeia sudo dnf downgrade hygeia-<VERSION_BEFORE_1.11.0> sudo dnf versionlock add hygeia

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2021-41128?

hygeia: upgrade to 1.30.4. Exact commands for each OS are on this page.

Is CVE-2021-41128 being exploited?

CVE-2021-41128 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-2021-41128 affect?

CVE-2021-41128 affects hygeia. Severity is critical (CVSS 9.1). Hygeia is an application for collecting and processing personal and case data in connection with communicable diseases. In affected versions all CSV Exports (Statistics & BAG MED) contain a CSV Injection Vulnerability. Users of the system a

How urgent is CVE-2021-41128?

Priority 49/100. Critical severity

References

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