CVE-2020-20444: Jact OpenClinic 0.8.20160412 allows the attacker to read server files after login to the the admin account by

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HIGH 7.2DOWNGRADE

CVE-2020-20444 is a high-severity flaw (CVSS 7.2) affecting openclinic. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jact OpenClinic 0.8.20160412 allows the attacker to read server files after login to the the admin account by an infected 'file' GET parameter in '/shared/view_source.php' which "could" lead to RCE vulnerability .

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-862
Published	2021-06-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: openclinic project

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

Am I affected?

Timeline

2021-06-16 16:15 UTCPublished CVE record published
2026-06-17 03:02 UTCUpdated Record last modified

openclinic project openclinic DOWNGRADE

Affected: 0.8.20160412

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8.20160412

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.8.20160412 (Debian / Ubuntu)

apt-cache madison openclinic sudo apt install openclinic=<VERSION_BEFORE_0.8.20160412> sudo apt-mark hold openclinic

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list openclinic sudo dnf downgrade openclinic-<VERSION_BEFORE_0.8.20160412> sudo dnf versionlock add openclinic

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-2020-20444?

openclinic: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-20444 being exploited?

CVE-2020-20444 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-2020-20444 affect?

CVE-2020-20444 affects openclinic. Severity is high (CVSS 7.2). Jact OpenClinic 0.8.20160412 allows the attacker to read server files after login to the the admin account by an infected 'file' GET parameter in '/shared/view_source.php' which "could" lead to RCE vulnerability .

How urgent is CVE-2020-20444?

Priority 46/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-28939 HIGH 7.2 DOWNGRADE OpenClinic version 0.8.2 is affected by a medical/test_new.php insecure file upload vulnerability
CVE-2020-28938 MEDIUM 5.4 DOWNGRADE OpenClinic version 0.8.2 is affected by a stored XSS vulnerability in lib/Check.php that allows users of the a
CVE-2020-28937 HIGH 7.5 DOWNGRADE OpenClinic version 0.8.2 is affected by a missing authentication vulnerability that allows unauthenticated use

References

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