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CRITICAL

CVE-2020-8135

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

The uppy npm package < 1.9.3 is vulnerable to a Server-Side Request Forgery (SSRF) vulnerability, which allows an attacker to scan local or external network or otherwise interact with internal systems.

Technical details

Published
2020-03-20

Frequently asked questions

What is CVE-2020-8135?

The uppy npm package < 1.9.3 is vulnerable to a Server-Side Request Forgery (SSRF) vulnerability, which allows an attacker to scan local or external network or otherwise interact with internal systems.

Is CVE-2020-8135 actively exploited?

Active exploitation of CVE-2020-8135 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-2020-8135?

CVE-2020-8135 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2020-8135 affecting your environment?

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