How severe is CVE-2020-8205?

CVE-2020-8205 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-8205 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8205?

CVE-2020-8205 primarily affects Transloadit Uppy. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-8205?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-8205 published?

CVE-2020-8205 was published on 2020-07-20 and last updated on 2026-06-17.

CVE-2020-8205

CVE-2020-8205 is a high-severity vulnerability in Transloadit Uppy with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Transloadit Uppy
Published: 2020-07-20
Last modified: 2026-06-17

Description

The uppy npm package < 1.13.2 and < 2.0.0-alpha.5 is vulnerable to a Server-Side Request Forgery (SSRF) vulnerability, which allows an attacker to scan local or external networks or otherwise interact with internal systems.

Frequently asked questions

What is CVE-2020-8205?: The uppy npm package < 1.13.2 and < 2.0.0-alpha.5 is vulnerable to a Server-Side Request Forgery (SSRF) vulnerability, which allows an attacker to scan local or external networks or otherwise interact with internal systems.
How severe is CVE-2020-8205?: CVE-2020-8205 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-8205 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8205?: CVE-2020-8205 primarily affects Transloadit Uppy. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-8205?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-8205 published?: CVE-2020-8205 was published on 2020-07-20 and last updated on 2026-06-17.

References

https://hackerone.com/reports/891270

Affected products (6)

cpe:2.3:a:transloadit:uppy:*:*:*:*:*:node.js:*:*
cpe:2.3:a:transloadit:uppy:2.0.0:alpha0:*:*:*:node.js:*:*
cpe:2.3:a:transloadit:uppy:2.0.0:alpha1:*:*:*:node.js:*:*
cpe:2.3:a:transloadit:uppy:2.0.0:alpha2:*:*:*:node.js:*:*
cpe:2.3:a:transloadit:uppy:2.0.0:alpha3:*:*:*:node.js:*:*
cpe:2.3:a:transloadit:uppy:2.0.0:alpha4:*:*:*:node.js:*:*

More vulnerabilities in Transloadit Uppy

CVE-2022-0086 — Critical (CVSS 9.8): uppy is vulnerable to Server-Side Request Forgery (SSRF)
CVE-2022-0528 — Medium (CVSS 6.5): Server-Side Request Forgery (SSRF) in GitHub repository transloadit/uppy prior to 3.3.1.

All CVEs affecting Transloadit Uppy →

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