CVE-2017-5635
Improper Authentication In Apache NiFi
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to another node, the originating node identity is used rather than the "anonymous" user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to another node, the originating node identity is used rather than the "anonymous" user.
- Record
CVE-2017-5635- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to another node, the originating node identity is used rather than the "anonymous" user.
- Record
CVE-2017-5635- Updated
- 2026-11-02
EUVDEUVD-2022-4360 No score
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to another node, the originating node identity is used rather than the "anonymous" user.
- Record
EUVD-2022-4360- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jgj9-6v78-6g8m
Improper Authentication In Apache NiFi
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to another node, the originating node identity is used rather than the "anonymous" user.
- Record
GHSA-jgj9-6v78-6g8m- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
OSV
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to another node, the originating node identity is used rather than the "anonymous" user.
- Record
CVE-2017-5635- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-jgj9-6v78-6g8m
Improper Authentication In Apache NiFi
In Apache NiFi before 0.7.2 and 1.x before 1.1.2 in a cluster environment, if an anonymous user request is replicated to another node, the originating node identity is used rather than the "anonymous" user.
- Record
GHSA-jgj9-6v78-6g8m- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.nifi:nifiMaven |
before 0.7.2 | 0.7.2 |
org.apache.nifi:nifiMaven |
1.0.0 up to 1.1.2 | 1.1.2 |
org.apache.nifi:nifiMaven |
before 0.7.2, plus listed versions 0.0.1-incubating0.0.2-incubating0.1.0-incubating0.2.0-incubating0.2.1 Show 9 moreShow less0.3.00.4.00.4.10.5.00.5.10.6.00.6.10.7.00.7.1 |
0.7.2 |
org.apache.nifi:nifiMaven |
1.0.0 up to 1.1.2, plus listed versions 1.0.11.1.01.1.1 |
1.1.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-5635 is a high vulnerability (CVSS 7.5) in Apache Nifi, published October 19, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.29%, the 88th percentile. Fixed in org.apache.nifi:nifi 0.7.2.