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…
EPSS: 0.012 (79.2th percentile) — read the EPSS interpretation.
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.
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
- security@apache.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@apache.org (x_refsource_CONFIRM, 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.