CVE-2017-12632 json
Apache NiFi host header poisoning issue
published 2018-01-23 8 y ago modified 2026-06-17 4 mo ago also GHSA-w4x6-j349-9r57 , EUVD-2022-5496
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven org.apache.nifi:nifi 1.5.0
Exploit prediction
2.85% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.nifi:nifi | >=1.0.0, <1.5.0 |
1.5.0 |
Affected products
- Apache Software Foundation Apache NiFi
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
nifi.apache.org
/security.html#CVE-2017-12632
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-12632
advisory
Sources
- CVE List CVE-2017-12632
- GitHub Advisory GHSA-w4x6-j349-9r57
- NVD CVE-2017-12632
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.