What is CVE-2018-20745?

CVE-2018-20745 is a medium-severity vulnerability in Yiiframework Yii, classified under Origin Validation Error. CVSS score: 5.9/10. Published 2019-01-28.

How severe is CVE-2018-20745?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Yiiframework Yii

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.

EPSS: 0.005 (42.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Yiiframework Yii
N/a — versions n/a

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2018-20745?: CVE-2018-20745 is a medium-severity vulnerability in Yiiframework Yii, classified under Origin Validation Error. CVSS score: 5.9/10. Published 2019-01-28.
How severe is CVE-2018-20745?: Medium severity. CVSS v3 base score is 5.9 out of 10.