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CVE-2020-9487

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Date: October 1, 2020

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.

Language: Java

Severity Score

Related Resources (4)

https://nifi.apache.org/security#CVE-2020-9487
https://github.com/apache/nifi/commit/01e42dfb3291c3a3549023edadafd2d8023f3042
https://nvd.nist.gov/vuln/detail/CVE-2020-9487
https://www.mend.io/vulnerability-database/CVE-2020-9487

Severity Score

Weakness Type (CWE)

Missing Authentication for Critical Function

CWE-306

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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