CVE-2017-12632

mediumpriority · track · 31EPSS 0.028 · 87 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.85% (87th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · OSV

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (4)

Products and version ranges known to be affected.

Apache Software Foundation Apache NiFi≤ 1.0.0 - 1.4.0enisa_euvdEU
Apache Software Foundation Apache NiFi≤ 0.1.0 - 0.7.xenisa_euvdEU
apache nifi≤ 1.4.0nvdUScpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
Maven org.apache.nifi:nifi1.0.0 → 1.5.0osvUSpkg:maven/org.apache.nifi/nifi

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-w4x6-j349-9r57Apache NiFi host header poisoning issue2022-05-14ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2018-01-23modified 2026-06-17

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+25188 more

references (3)

External citations — patches, advisories, analysis.

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