CVE-2018-20745
Yii Incorrectly Implements CORS
5.9
MEDIUM
CVSS 3.1
EPSS 0.12%
Description
Yii 2.x through 2.0.15.1 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems.
How to fix CVE-2018-20745
To remediate CVE-2018-20745, upgrade the affected package to a fixed version below.
- Packagist/yiisoft/yii2—upgrade to 2.0.16 or later
Is CVE-2018-20745 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.0.16
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |