CVE-2020-13565

Name: CVE-2020-13565
Creator: NVD / NIST
Published: 2021-02-10T20:15:14.743+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.88%

Last modified Jun 17, 2026

CVE-2020-13565 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An open redirect vulnerability exists in the return_page redirection functionality of phpGACL 3.3.7, OpenEMR 5.0.2 and OpenEMR development version 6.0.0 (commit babec93f600ff1394f91ccd512bcad85832eb6ce). A specially crafted HTTP request can redirect users to an arbitrary URL. EPSS estimates a 1.88% chance of exploitation in the next 30 days.

Description

An open redirect vulnerability exists in the return_page redirection functionality of phpGACL 3.3.7, OpenEMR 5.0.2 and OpenEMR development version 6.0.0 (commit babec93f600ff1394f91ccd512bcad85832eb6ce). A specially crafted HTTP request can redirect users to an arbitrary URL. An attacker can provide a crafted URL to trigger this vulnerability.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.88%

76.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Open-Emr	Openemr	5.0.2
Phpgacl Project	Phpgacl	3.3.7

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1178Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1178Exploit, Technical Description, Third Party Advisory

Timeline

Published: Feb 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13565?

How severe is CVE-2020-13565?

CVE-2020-13565 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13565?

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-2020-13565?

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

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Source: NVD / NIST