CVE-2020-9487

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CVSS 3.1

7.5 high

EPSS

3%p87

Published

Oct 1, 2020 (Oct 1, 2020)

Modified

Jun 17, 2026

Description

In Apache NiFi 1.0.0 to 1.11.4, the NiFi download token (one-time password) mechanism used a fixed cache size and did not authenticate a request to create a download token, only when attempting to use the token to access the content. An unauthenticated user could repeatedly request download tokens, preventing legitimate users from requesting download tokens.

Vendors: apache
Products: nifi
Weakness: CWE-306
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (3.0%)

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