VULNERABILITY INTELLIGENCE

CVE-2020-9487

CVSS score7.5 HIGH
EPSS probability3.05%
CISA KEVNot currently listed
Published2020-10-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-306: Missing Authentication for Critical Function

Primary references