Vulnerability · Published Dec 17, 2021 · Assigned by apache
CVE-2021-44145Apache NiFi information disclosure by XXE
Medium 6.5
In plain English
A medium-severity security flaw in Apache NiFi from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.8%top 21.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.apache.nifi:nifi | 1.15.1 | GHSA-rq96-qhc5-vm4r |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache NiFi | Apache NiFi – through 1.15.0 |
References
- https://nifi.apache.org/security.html#1.15.1-vulnerabilities x_refsource_MISC
- [oss-security] 20211216 CVE-2021-44145: Apache NiFi information disclosure by XXE mailing-list, x_refsource_MLIST