CVE-2017-5636

CRITICAL

Apache NiFi < 0.7.2 and 1.x < 1.1.2 - Permission Impersonation via Crafted Username

Title source: llm

Description

In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.

References (2)

Core 2

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/96731

Issue Tracking, Mitigation, Vendor Advisory x_refsource_confirm

https://nifi.apache.org/security.html#CVE-2017-5636

Scores

CVSS v3 9.8

EPSS 0.0120

EPSS Percentile 79.1%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-74

Status published

Products (9)

apache/nifi 0.7.0

apache/nifi 0.7.1

apache/nifi 1.1.0

apache/nifi 1.1.1

Apache Software Foundation/Apache NiFi 0.7.0

Apache Software Foundation/Apache NiFi 0.7.1

Apache Software Foundation/Apache NiFi 1.1.0

Apache Software Foundation/Apache NiFi 1.1.1

org.apache.nifi/nifi 0 - 0.7.2Maven

Published Oct 19, 2017

Tracked Since Feb 18, 2026