CVE-2020-9296
Expression Language Injection in Netflix Conductor
9.8
CRITICAL
CVSS 3.1
EPSS 0.56%
Description
Netflix Conductor uses Java Bean Validation (JSR 380) custom constraint validators. When building custom constraint violation error messages, different types of interpolation are supported, including Java EL expressions. If an attacker can inject arbitrary data in the error message template being passed to ConstraintValidatorContext.buildConstraintViolationWithTemplate() argument, they will be able to run arbitrary Java code.
How to fix CVE-2020-9296
To remediate CVE-2020-9296, upgrade the affected package to a fixed version below.
- —upgrade to 2.25.4 or later
Is CVE-2020-9296 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.25.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |