CVE-2020-13566

mediumpriority · track · 36EPSS 0.016 · 75 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.58% (75th) EPSS

CVSS 6.5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

SQL injection vulnerabilities exist in phpGACL 3.3.7. A specially crafted HTTP request can lead to a SQL injection. An attacker can send an HTTP request to trigger this vulnerability In admin/edit_group.php, when the POST parameter action is “Delete”, the POST parameter delete_group leads to a SQL injection.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · talos-cna@cisco.com USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-89USprimary

affected products (3)

Products and version ranges known to be affected.

n/a phpGACL≤ phpGACL 3.3.7enisa_euvdEU
open-emr openemr= 5.0.2nvdUScpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*
phpgacl project phpgacl= 3.3.7nvdUScpe:2.3:a:phpgacl_project:phpgacl:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-04-13modified 2026-06-17

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+23868 more

references (5)

External citations — patches, advisories, analysis.

http://phpgacl.sourceforge.net/Patchcnnvd
https://nvd.nist.gov/vuln/detail/CVE-2020-13566 cnnvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1179 cnnvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1179 enisa_euvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1179ExploitTechnical DescriptionThird Party Advisorynvd

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