CVE-2020-17521
Information Disclosure in Apache Groovy
Description
Apache Groovy provides extension methods to aid with creating temporary directories. Prior to this fix, Groovy's implementation of those extension methods was using a now superseded Java JDK method call that is potentially not secure on some operating systems in some contexts. Users not using the extension methods mentioned in the advisory are not affected, but may wish to read the advisory for further details. Versions Affected: 2.0 to 2.4.20, 2.5.0 to 2.5.13, 3.0.0 to 3.0.6, and 4.0.0-alpha-1. Fixed in versions 2.4.21, 2.5.14, 3.0.7, 4.0.0-alpha-2.
How to fix CVE-2020-17521
To remediate CVE-2020-17521, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.21-1 or later
- —upgrade to 2.4.21 or later
- —upgrade to 2.4.21 or later
Is CVE-2020-17521 being exploited?
Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.4.21-1
- >= 2.0.0, < 2.4.21
- >= 2.0.0, < 2.4.21
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |