CVE-2017-12632

Name: CVE-2017-12632
Creator: NVD / NIST
Published: 2018-01-23T22:29:00.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.90%

Last modified Jun 17, 2026

CVE-2017-12632 is a vulnerability of currently unknown severity. A malicious host header in an incoming HTTP request could cause NiFi to load resources from an external server. The fix to sanitize host headers and compare to a controlled whitelist was applied on the Apache NiFi 1.5.0 release. EPSS estimates a 2.90% chance of exploitation in the next 30 days.

Description

A malicious host header in an incoming HTTP request could cause NiFi to load resources from an external server. The fix to sanitize host headers and compare to a controlled whitelist was applied on the Apache NiFi 1.5.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

Metrics

EPSS Probability

2.90%

85.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Apache	Nifi	<= 1.4.0

References

https://nifi.apache.org/security.html#CVE-2017-12632Vendor Advisory
https://nifi.apache.org/security.html#CVE-2017-12632Vendor Advisory

Timeline

Published: Jan 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12632?

How severe is CVE-2017-12632?

Severity scoring for CVE-2017-12632 is pending analysis. The EPSS model estimates a 2.90% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12632?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12632?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST