Information disclosure in Apache Nifi

CVE-2020-9486

In Apache NiFi 1.10.0 to 1.11.4, the NiFi stateless execution engine produced log output which included sensitive property values. When a flow was triggered, the flow definition configuration JSON was printed, potentially containing sensitive values in plaintext.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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 trend (30 days)EPSS over the last 30 days for CVE-2020-9486: held from 0.036 to 0.036.

EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000

Affected products

  • Apache Nifi
  • Apache Nifi — versions Apache NiFi 1.10.0 to 1.11.4

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-9486?
CVE-2020-9486 is a high-severity vulnerability in Apache Nifi, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.5/10. Published 2020-10-01.
How severe is CVE-2020-9486?
High severity. CVSS v3 base score is 7.5 out of 10.