Vulnerability in Apache Nifi
CVE-2017-5636
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 · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.036 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000
Affected products
- Apache Nifi — versions 0.7.0, 0.7.1, 1.1.0
- Apache Software Foundation Nifi — versions 1.1.1, 0.7.1, 0.7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/96731 (VDB Entry, Third Party Advisory, vdb-entry)
- nifi.apache.org/security.html (Mitigation, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-5636?
- CVE-2017-5636 is a critical-severity vulnerability in Apache Nifi, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2017-10-19.
- How severe is CVE-2017-5636?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-5636 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.