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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