CVE-2020-6136

mediumpriority · track · 36EPSS 0.018 · 78 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.80% (78th) EPSS

CVSS 6.5 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

An exploitable SQL injection vulnerability exists in the DownloadWindow.php functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can lead to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

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 · 6.4–8.8

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

v3.06.4mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.06.4mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:Nsecondary · talos-cna@cisco.com USexploitability 3.1 · impact 2.7

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 (2)

Products and version ranges known to be affected.

n/a OS4ED≤ OS4Ed openSIS 7.3enisa_euvdEU
os4ed opensis= 7.3nvdUScpe:2.3:a:os4ed:opensis:*:*:*:*:*:*:*:*

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 2020-09-01modified 2026-06-17

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+23888 more

references (5)

External citations — patches, advisories, analysis.

https://nvd.nist.gov/vuln/detail/CVE-2020-6136 cnnvd
https://opensis.com/Patchcnnvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1079 cnnvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1079 enisa_euvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1079ExploitTechnical DescriptionThird Party Advisorynvd

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