OpenClinic version 0.8.2 is affected by a missing authentication vulnerability that allows unauthenticated users to access any patient's me…

published 2020-12-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21325

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

OpenClinic version 0.8.2 is affected by a missing authentication vulnerability that allows unauthenticated users to access any patient's medical test results, possibly resulting in disclosure of Protected Health Information (PHI) stored in the application, via a direct request for the /tests/ URI.

Exploit prediction

1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

labs.bishopfox.com https://labs.bishopfox.com/advisories/openclinic-version-0.8.2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-425 Direct Request

References

labs.bishopfox.com /advisories/openclinic-version-0.8.2
exploit, third-party-advisory

Sources

CVE List CVE-2020-28937
NVD CVE-2020-28937

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary