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CRITICAL

CVE-2020-23534

CVSS v3

9.8

CRITICAL

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

Published
2021-02-25

Frequently asked questions

What is CVE-2020-23534?

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

Is CVE-2020-23534 actively exploited?

Active exploitation of CVE-2020-23534 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-23534?

CVE-2020-23534 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-23534 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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