CVE-2017-5635 Improper Authentication In Apache NiFi
In clustered Apache NiFi, anonymous requests may incorrectly inherit the originating node's identity, allowing unauthorized access or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5635?
CVE-2017-5635 is a high-severity authentication bypass vulnerability in Apache Nifi, published on 19 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2017-5635?
4 open source packages ship an affected version, including org.apache.nifi:nifi. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.nifi:nifi Maven | All versions | 0.7.2 |
org.apache.nifi:nifi Maven | All versions | 0.7.2 |
org.apache.nifi:nifi Maven | From 1.0.0 | 1.1.2 |
org.apache.nifi:nifi Maven | From 1.0.0 | 1.1.2 |
Products include Apache Nifi.
How do I fix CVE-2017-5635?
Upgrade org.apache.nifi:nifi to a fixed version for your release line: 0.7.2 or 1.1.2.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2017-5635 being exploited?
There is no known exploitation of CVE-2017-5635 in the wild and no public exploit code.
Other vulnerabilities in Apache Nifi
- CVE-2018-1309 Improper Restriction of XML External Entity Reference in Apache NiFi
- CVE-2017-15697 Apache NiFi XSS issue in context path handling
- CVE-2017-5636 Injection in Apache NiFi
- CVE-2026-68981 Apache NiFi: Uncontrolled Resource Consumption through Decompression of HTTP Requests
- CVE-2023-36542 Apache NiFi: Potential Code Injection with Properties Referencing Remote Resources
Sources
Also known as GHSA-jgj9-6v78-6g8m.