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CVE-2020-9482

Insufficient Session Expiration in Apache NiFi Registry

6.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

2.67%Up 1.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

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.

Record
CVE-2020-9482
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS 2.0
6.4 MediumAV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness
CWE-613
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2020-9482
Updated
2026-11-02
EUVDEUVD-2022-1170 No score

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.

Record
EUVD-2022-1170
Updated
2026-11-03
GitHub AdvisoriesGHSA-rcwj-2hj2-vmjj 6.5

Insufficient Session Expiration in 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.

Record
GHSA-rcwj-2hj2-vmjj
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-613
Updated
2026-11-02
OSVGHSA-rcwj-2hj2-vmjj 6.5

Insufficient Session Expiration in 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.

Record
GHSA-rcwj-2hj2-vmjj
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-613
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.apache.nifi.registry:nifi-registry-web-api
Maven
 0.1.0 to 0.5.0
0.7.0
org.apache.nifi.registry:nifi-registry-web-api
Maven
 0.1.0 up to 0.7.0, plus listed versions
0.2.00.3.00.4.00.5.0
0.7.0

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-9482 is a medium vulnerability (CVSS 6.5) in Apache Nifi Registry, published April 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.67%, the 85th percentile. Fixed in org.apache.nifi.registry:nifi-registry-web-api 0.7.0.

References

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