CVE-2020-9487
High
Description
In Apache NiFi 1.0.0 to 1.11.4, the NiFi download token (one-time password) mechanism used a fixed cache size and did not authenticate a request to create a download token, only when attempting to use the token to access the content. An unauthenticated user could repeatedly request download tokens, preventing legitimate users from requesting download tokens.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apache Nifi
PublishedOct 1, 2020
First seenOct 1, 2020
How to fix
Update
- org.apache.nifi:nifi1.12.0-RC1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache nifi | 1.0.0 ≤ v ≤ 1.11.4 | — |
| org.apache.nifi:nifiMaven | 1.0.0 ≤ v < 1.12.0-RC1 | 1.12.0-RC1 |
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