PT-2021-24043 · Apache · Apache Nifi

Dangkhai + 1 · Published 2021-12-17 · Updated 2025-09-12 · CVE-2021-44145

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Apache NiFi versions prior to 1.15.1

Description: The issue allows an authenticated user to configure an XSLT file in the TransformXML processor, which may include malicious external entity calls, potentially revealing sensitive information.

Recommendations: For versions prior to 1.15.1, update to version 1.15.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the TransformXML processor to minimize the risk of exploitation.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BIT-NIFI-2021-44145

CVE-2021-44145

GHSA-RQ96-QHC5-VM4R

Affected Products

Apache Nifi

References · 7

• https://osv.dev/vulnerability/CVE-2021-44145 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-nifi-2021-44145 · Vendor Advisory
• https://nifi.apache.org/security.html#1.15.1-vulnerabilities · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-44145 · Security Note
• https://osv.dev/vulnerability/GHSA-rq96-qhc5-vm4r · Vendor Advisory
• https://t.me/cvenotify/24578 · Telegram Post
• http://openwall.com/lists/oss-security/2021/12/17/1 · Note