What is CVE-2018-20745?

CVE-2018-20745 is a vulnerability in Yii 2.x through 2.0.15.1 that converts a wildcard CORS policy into reflecting an arbitrary Origin header value.

What is the severity of CVE-2018-20745?

The severity of CVE-2018-20745 is medium with a severity value of 5.9.

How does CVE-2018-20745 affect Yii?

CVE-2018-20745 affects Yii 2.x through 2.0.15.1 by introducing CORS misconfiguration security problems.

How can I fix CVE-2018-20745?

To fix CVE-2018-20745, upgrade to Yii version 2.0.16 or later.

Where can I find more information about CVE-2018-20745?

You can find more information about CVE-2018-20745 at the following references: - [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-20745) - [GitHub Issue](https://github.com/yiisoft/yii2/issues/16193) - [Conference Paper](https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf)

Vulnerability/
CVE-2018-20745

medium

5.9

CWE

346

28/1/2019

14/5/2022

17/9/2024

CVE-2018-20745

First published: Mon Jan 28 2019(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Yiiframework Yii	>=2.0<=2.0.15.1

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is CVE-2018-20745?
CVE-2018-20745 is a vulnerability in Yii 2.x through 2.0.15.1 that converts a wildcard CORS policy into reflecting an arbitrary Origin header value.
What is the severity of CVE-2018-20745?
The severity of CVE-2018-20745 is medium with a severity value of 5.9.
How does CVE-2018-20745 affect Yii?
CVE-2018-20745 affects Yii 2.x through 2.0.15.1 by introducing CORS misconfiguration security problems.
How can I fix CVE-2018-20745?
To fix CVE-2018-20745, upgrade to Yii version 2.0.16 or later.
Where can I find more information about CVE-2018-20745?
You can find more information about CVE-2018-20745 at the following references: - [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-20745) - [GitHub Issue](https://github.com/yiisoft/yii2/issues/16193) - [Conference Paper](https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf)

collector/github-advisory-latest
alias/GHSA-cr6r-6xm9-ww22
alias/CVE-2018-20745
collector/github-advisory
collector/nvd-index
collector/nvd-cve
agent/author
agent/type
agent/softwarecombine
agent/references
agent/weakness
agent/severity
agent/description
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
agent/trending
agent/tags
agent/source
package-manager/composer
vendor/yiiframework
canonical/yiiframework yii
version/yiiframework yii/2.0
version/yiiframework yii/2.0.15.1

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.