In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node
Published Oct 19, 2017
9.8
CRITICALCVSS 3.0
EPSS 3.60%
Description
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, the proxy chain serialization/deserialization is vulnerable to an injection attack where a carefully crafted username could impersonate another user and gain their permissions on a replicated request to another node.
Affected products
-
- Version 0.7.0StatusaffectedConstraints-
- Version 0.7.1StatusaffectedConstraints-
- Version 1.1.0StatusaffectedConstraints-
- Version 1.1.1StatusaffectedConstraints-
- 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:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
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 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.60% (0.03599) | 89.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.60% (0.03599) | 87.94th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.10% (0.01097) | 76.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.40% (0.02396) | 75.05th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.81% (0.00810) | 72.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00093) | 41.32th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00093) | 38.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.85% (0.01855) | 47.92th | v1 |
| Jan 6, 2022 | 1.85% (0.01855) | 47.40th | v1 |
| Sep 1, 2021 | 1.85% (0.01855) | 75.73th | v1 |
| Apr 14, 2021 | 1.85% (0.01855) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/96731 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-jrcc-7jf5-3pxg Advisory
- https://nifi.apache.org/security.html#CVE-2017-5636 x_refsource_CONFIRMIssue TrackingMitigationVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-5636
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/96731 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-jrcc-7jf5-3pxg | Advisory | |
| https://nifi.apache.org/security.html#CVE-2017-5636 | x_refsource_CONFIRMIssue TrackingMitigationVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-5636 |
Change history (0)
No recorded changes yet.