CVE-2020-6126

Name: CVE-2020-6126
Creator: NVD / NIST
Published: 2020-09-01T15:15:12.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.40%

Last modified Jun 17, 2026

CVE-2020-6126 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. SQL injection vulnerability exists in the CoursePeriodModal.php page of OS4Ed openSIS 7.3. The course_period_id parameter in the page CoursePeriodModal.php is vulnerable to SQL injection. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

SQL injection vulnerability exists in the CoursePeriodModal.php page of OS4Ed openSIS 7.3. The course_period_id parameter in the page CoursePeriodModal.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.40%

69.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Os4ed	Opensis	7.3

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1075Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1075Exploit, Technical Description, Third Party Advisory

Timeline

Published: Sep 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6126?

How severe is CVE-2020-6126?

CVE-2020-6126 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6126?

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-2020-6126?

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

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Source: NVD / NIST