An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack
Published Oct 10, 2017
6.5
MEDIUMCVSS 3.0
EPSS 1.94%
Description
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.
Affected products
-
- Version 1.0.0 to 1.3.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache NiFi | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:S/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.94% (0.01940) | 79.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.94% (0.01940) | 77.43th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.40% (0.00402) | 58.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00047) | 19.29th | v3 (v2023.03.01) |
| May 10, 2024 | 0.05% (0.00047) | 16.41th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00047) | 14.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.24% (0.01241) | 30.13th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.24% (0.01241) | 0.00th | v1 |
References (3)
- https://github.com/advisories/GHSA-qj7f-j6h9-g5rq Advisory
- https://nifi.apache.org/security.html#CVE-2017-12623 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-12623
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-qj7f-j6h9-g5rq | Advisory | |
| https://nifi.apache.org/security.html#CVE-2017-12623 | x_refsource_CONFIRMVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-12623 |
Change history (0)
No recorded changes yet.