CVE-2017-12623

mediumpriority · track · 27EPSS 0.019 · 80 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.94% (80th) EPSS

CVSS 4 · medium

Is it mine?

9 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack. The fix to properly handle XML External Entities was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.06mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-611USprimaryCWE-611US

affected products (9)

Products and version ranges known to be affected.

Apache Software Foundation Apache NiFi≤ 1.0.0 to 1.3.0enisa_euvdEU
apache nifi= 1.0.0nvdUScpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
apache nifi= 1.0.1nvdUScpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
apache nifi= 1.1.0nvdUScpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
apache nifi= 1.1.1nvdUScpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
apache nifi= 1.1.2nvdUScpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
apache nifi= 1.2.0nvdUScpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
apache nifi= 1.3.0nvdUScpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*
Maven org.apache.nifi:nifi1.0.0 → 1.4.0osvUSpkg:maven/org.apache.nifi/nifi

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-qj7f-j6h9-g5rqXML External Entity Reference in Apache NiFi2022-05-17ghsa · osvUS
An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack. The fix to properly handle XML External Entities was applied on the Apache NiFi 1.4.0 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 2017-10-10modified 2026-06-17

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+1515 more

references (3)

External citations — patches, advisories, analysis.

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