Deserialization in Apache Nifi
CVE-2017-15703
Any authenticated user (valid client certificate but without ACL permissions) could upload a template which contained malicious code and caused a denial of service via Java deserialization attack. The fix to properly handle Java deserialization was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Apache Nifi
- Apache Software Foundation Nifi — versions 1.0.0 - 1.3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- nifi.apache.org/security.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-15703?
- CVE-2017-15703 is a medium-severity vulnerability in Apache Nifi, classified under Deserialization of Untrusted Data. CVSS score: 5.0/10. Published 2018-01-25.
- How severe is CVE-2017-15703?
- Medium severity. CVSS v3 base score is 5.0 out of 10.
- Is CVE-2017-15703 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.