What is CVE-2020-9487?

CVE-2020-9487 is a high-severity vulnerability in Apache Nifi, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-10-01.

How severe is CVE-2020-9487?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Apache Nifi

CVE-2020-9487

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 un…

Vulnerability class: Broken Authentication

EPSS: 0.030 (86.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Nifi
N/a Apache Nifi — versions Apache NiFi 1.0.0 to 1.11.4

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

security@apache.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9487?: CVE-2020-9487 is a high-severity vulnerability in Apache Nifi, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-10-01.
How severe is CVE-2020-9487?: High severity. CVSS v3 base score is 7.5 out of 10.