Nifi
CVE-2019-12421
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1Blast Radius
ecosystem impact- 3 maven packages depend on org.apache.nifi:nifi-web-api (1 direct, 2 indirect)
- 8 maven packages depend on org.apache.nifi:nifi-web-security (4 direct, 4 indirect)
Ecosystem-wide dependent count for version 1.3.0 and other introduced versions.
DescriptionNVD
When using an authentication mechanism other than PKI, when the user clicks Log Out in NiFi versions 1.0.0 to 1.9.2, NiFi 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.
AnalysisAI
When using an authentication mechanism other than PKI, when the user clicks Log Out in NiFi versions 1.0.0 to 1.9.2, NiFi invalidates the authentication token on the client side but not on the server. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-613. When using an authentication mechanism other than PKI, when the user clicks Log Out in NiFi versions 1.0.0 to 1.9.2, NiFi 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. Affected products include: Apache Nifi. Version information: up to 12.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
The DBCPConnectionPool and HikariCPConnectionPool Controller Services in Apache NiFi 0.0.2 through 1.21.0 allow an authe
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization
Apache NiFi External XML Entity issue in SplitXML processor. Rated critical severity (CVSS 9.8), this vulnerability is r
Apache NiFi 0.0.2 through 1.22.0 include Processors and Controller Services that support HTTP URL references for retriev
The 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 ne
A flaw was found in jackson-databind before 2.9.10.7. Rated high severity (CVSS 8.1), this vulnerability is remotely exp
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to
Apache NiFi before 0.7.4 and 1.x before 1.3.0 need to establish the response header telling browsers to only allow frami
Authorization bypass in Apache NiFi 1.12.0 through 2.9.0 allows authenticated users with general write access to add Res
The ExtractCCDAAttributes Processor in Apache NiFi 1.2.0 through 1.19.1 does not restrict XML External Entity references
Multiple components in Apache NiFi 0.0.1 to 1.16.0 do not restrict XML External Entity references in the default configu
In Apache NiFi 1.2.0 to 1.11.4, the NiFi UI and API were protected by mandating TLS v1.2, as well as listening connectio
Same weakness CWE-613 – Insufficient Session Expiration
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External POC / Exploit Code
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