CRITICAL

CVE-2021-42580

CVSS v3

9.8

CRITICAL

EPSS Score

10.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-42580 yet.

Full record on NVD

Description

Sourcecodester Online Learning System 2.0 is vunlerable to sql injection authentication bypass in admin login file (/admin/login.php) and authenticated file upload in (Master.php) file , we can craft these two vunlerablities to get unauthenticated remote command execution.

Technical details

Published: 2021-11-15
Exploit-DB: EDB-50526

Frequently asked questions

What is CVE-2021-42580?

Is CVE-2021-42580 actively exploited?

Active exploitation of CVE-2021-42580 has not been confirmed. Its EPSS score was 10.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-42580?

CVE-2021-42580 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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