CVE-2021-44145 json
Apache NiFi information disclosure by XXE
published 2021-12-17 4 y ago modified 2026-09-08 2 mo ago also BIT-nifi-2021-44145 , EUVD-2022-0689 , GHSA-rq96-qhc5-vm4r
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.
Patch / fix
- maven org.apache.nifi:nifi 1.15.1
- bitnami nifi 1.15.1
- apache nifi 1.15.1
Exploit prediction
1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
| OSV | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.nifi:nifi | <1.15.1 |
1.15.1 |
| bitnami | nifi | >=0.1.0, <1.15.1 |
1.15.1 |
Affected products
- Apache Software Foundation Apache NiFi
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
nifi.apache.org
/security.html#1.15.1-vulnerabilities
web, vendor-advisory, advisory
-
openwall.com
/lists/oss-security/2021/12/17/1
mailing-list, web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-44145
advisory, web
Sources
- CVE List CVE-2021-44145
- GitHub Advisory GHSA-rq96-qhc5-vm4r
- NVD CVE-2021-44145
- OSV BIT-nifi-2021-44145
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