CVE-2020-36243 in the critical feed json
The Patient Portal of OpenEMR 5.0.2.1 is affected by a Command Injection vulnerability in /interface/main/backup.php.
published 2021-02-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23787
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 64.1%
- EPSS 64.1% chance of exploitation in 30 days, percentile 99.2%
- public exploits
- 0
- none known
Summary
The Patient Portal of OpenEMR 5.0.2.1 is affected by a Command Injection vulnerability in /interface/main/backup.php. To exploit the vulnerability, an authenticated attacker can send a POST request that executes arbitrary OS commands via shell metacharacters.
Patch / fix
Exploit prediction
64.14% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blog.sonarsource.com https://blog.sonarsource.com/openemr-5-0-2-1-command-injection-vulnerability referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
open-emr.org
/wiki/index.php/OpenEMR_Patches
patch, vendor-advisory
-
community.sonarsource.com
/t/openemr-5-0-2-1-command-injection-vulnerability-puts-health-records-at-risk/33592
patch, vendor-advisory
-
community.open-emr.org
/t/openemr-5-0-2-patch-5-has-been-released/15431
patch, release-notes, vendor-advisory
-
blog.sonarsource.com
/openemr-5-0-2-1-command-injection-vulnerability
exploit, third-party-advisory
Sources
- CVE List CVE-2020-36243
- NVD CVE-2020-36243
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