VulnerabilityModified
CVE-2018-20745
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.
MEDIUM 5.9EPSS 0.54%
Does this matter?
Lower severity and a low EPSS score (0.54%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-346
- Affected
- yiiframework/yii
- Source
- cve@mitre.org
References
- https://github.com/yiisoft/yii2/issues/16193Issue Tracking, Third Party Advisory
- https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdfThird Party Advisory
- https://github.com/yiisoft/yii2/issues/16193Issue Tracking, Third Party Advisory
- https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdfThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.