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Vulnerability record · CVE-2020-9482 · published 28 April 2020

CVE-2020-9482: Apache nifi registry insufficient session expiration vulnerability

Apache · Nifi Registry

If NiFi Registry 0.1.0 to 0.5.0 uses an authentication mechanism other than PKI, when the user clicks Log Out, NiFi Registry invalidates the authentication token on the client side but not on the server side. This permits the user's client-side token to be used for up to 12 hours after logging out to make API requests to NiFi Registry.

6.5 CVSS 3.1 Medium EPSS 2.7% · top 14.7% CWE-613 · Insufficient session expiration
6.5CVSS 3.1 base score, v2 6.4
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

If NiFi Registry 0.1.0 to 0.5.0 uses an authentication mechanism other than PKI, when the user clicks Log Out, NiFi Registry invalidates the authentication token on the client side but not on the server side. This permits the user's client-side token to be used for up to 12 hours after logging out to make API requests to NiFi Registry.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://nifi.apache.org/registry-security.html#CVE-2020-9482 PatchVendor Advisory
https://nifi.apache.org/registry-security.html#CVE-2020-9482 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2022-33140Apache nifi os command injection vulnerabilityThe optional ShellUserGroupProvider in Apache NiFi 1.10.0 to 1.16.2 and Apache NiFi Registry 0.6.0 to 1.16.2 does not neutralize arguments for group …EPSS 3.7%

Source: NIST National Vulnerability Database (record CVE-2020-9482), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.