CVE-2020-23534

9.8 criticalEPSS 1.3%

Critical (9.8) in masterlab masterlab. EPSS 1.3% chance of exploitation in the next 30 days.

A server-side request forgery (SSRF) vulnerability in Upgrade.php of gopeak masterlab 2.1.5, via the 'source' parameter.

Severity

9.8 critical

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

EPSS: 1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2021-02-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19