CVE-2021-40352

Name: CVE-2021-40352
Creator: NVD / NIST
Published: 2021-09-01T13:15:08.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 9.71%

Last modified Jun 17, 2026

CVE-2021-40352 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. OpenEMR 6.0.0 has a pnotes_print.php?noteid= Insecure Direct Object Reference vulnerability via which an attacker can read the messages of all users.. EPSS estimates a 9.71% chance of exploitation in the next 30 days.

Description

OpenEMR 6.0.0 has a pnotes_print.php?noteid= Insecure Direct Object Reference vulnerability via which an attacker can read the messages of all users.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

9.71%

94.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Open-Emr	Openemr	6.0.0

References

http://packetstormsecurity.com/files/164011/OpenEMR-6.0.0-Insecure-Direct-Object-Reference.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/allenenosh/CVE-2021-40352Exploit, Third Party Advisory
https://www.open-emr.org/wiki/index.php/Securing_OpenEMRProduct, Vendor Advisory
http://packetstormsecurity.com/files/164011/OpenEMR-6.0.0-Insecure-Direct-Object-Reference.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/allenenosh/CVE-2021-40352Exploit, Third Party Advisory
https://www.open-emr.org/wiki/index.php/Securing_OpenEMRProduct, Vendor Advisory

Timeline

Published: Sep 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40352?

OpenEMR 6.0.0 has a pnotes_print.php?noteid= Insecure Direct Object Reference vulnerability via which an attacker can read the messages of all users.

How severe is CVE-2021-40352?

CVE-2021-40352 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 9.71% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40352?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40352?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST