How severe is CVE-2020-13565?

CVE-2020-13565 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-13565 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13565?

CVE-2020-13565 primarily affects Open-emr Openemr. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-13565?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-13565 published?

CVE-2020-13565 was published on 2021-02-10 and last updated on 2026-06-17.

CVE-2020-13565

CVE-2020-13565 is a medium-severity vulnerability in Open-emr Openemr with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Open-emr Openemr
Published: 2021-02-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-13565?: 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.
How severe is CVE-2020-13565?: CVE-2020-13565 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-13565 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13565?: CVE-2020-13565 primarily affects Open-emr Openemr. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-13565?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13565 published?: CVE-2020-13565 was published on 2021-02-10 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1178

Affected products (2)

cpe:2.3:a:open-emr:openemr:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:phpgacl_project:phpgacl:3.3.7:*:*:*:*:*:*:*

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