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Vulnerable Software

Vulnerability Details CVE-2023-50714

yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth2 PKCE implementation is vulnerable in 2 ways. First, the `authCodeVerifier` should be removed after usage (similar to `authState`). Second, there is a risk for a `downgrade attack` if PKCE is being relied on for CSRF protection. Version 2.2.15 contains a patch for the issue. No known workarounds are available.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 31.1%

CVSS Severity

CVSS v3 Score 6.8

References

Products affected by CVE-2023-50714

Yiiframework » Yii2-Authclient » Version: 2.0.0

cpe:2.3:a:yiiframework:yii2-authclient:2.0.0
Yiiframework » Yii2-Authclient » Version: 2.0.1

cpe:2.3:a:yiiframework:yii2-authclient:2.0.1
Yiiframework » Yii2-Authclient » Version: 2.0.2

cpe:2.3:a:yiiframework:yii2-authclient:2.0.2
Yiiframework » Yii2-Authclient » Version: 2.0.3

cpe:2.3:a:yiiframework:yii2-authclient:2.0.3
Yiiframework » Yii2-Authclient » Version: 2.0.4

cpe:2.3:a:yiiframework:yii2-authclient:2.0.4
Yiiframework » Yii2-Authclient » Version: 2.0.5

cpe:2.3:a:yiiframework:yii2-authclient:2.0.5
Yiiframework » Yii2-Authclient » Version: 2.0.6

cpe:2.3:a:yiiframework:yii2-authclient:2.0.6
Yiiframework » Yii2-Authclient » Version: 2.1.0

cpe:2.3:a:yiiframework:yii2-authclient:2.1.0
Yiiframework » Yii2-Authclient » Version: 2.1.1

cpe:2.3:a:yiiframework:yii2-authclient:2.1.1
Yiiframework » Yii2-Authclient » Version: 2.1.2

cpe:2.3:a:yiiframework:yii2-authclient:2.1.2
Yiiframework » Yii2-Authclient » Version: 2.1.3

cpe:2.3:a:yiiframework:yii2-authclient:2.1.3
Yiiframework » Yii2-Authclient » Version: 2.1.4

cpe:2.3:a:yiiframework:yii2-authclient:2.1.4
Yiiframework » Yii2-Authclient » Version: 2.1.5

cpe:2.3:a:yiiframework:yii2-authclient:2.1.5
Yiiframework » Yii2-Authclient » Version: 2.1.6

cpe:2.3:a:yiiframework:yii2-authclient:2.1.6
Yiiframework » Yii2-Authclient » Version: 2.1.7

cpe:2.3:a:yiiframework:yii2-authclient:2.1.7
Yiiframework » Yii2-Authclient » Version: 2.1.8

cpe:2.3:a:yiiframework:yii2-authclient:2.1.8
Yiiframework » Yii2-Authclient » Version: 2.2.0

cpe:2.3:a:yiiframework:yii2-authclient:2.2.0
Yiiframework » Yii2-Authclient » Version: 2.2.1

cpe:2.3:a:yiiframework:yii2-authclient:2.2.1
Yiiframework » Yii2-Authclient » Version: 2.2.10

cpe:2.3:a:yiiframework:yii2-authclient:2.2.10
Yiiframework » Yii2-Authclient » Version: 2.2.11

cpe:2.3:a:yiiframework:yii2-authclient:2.2.11
Yiiframework » Yii2-Authclient » Version: 2.2.12

cpe:2.3:a:yiiframework:yii2-authclient:2.2.12
Yiiframework » Yii2-Authclient » Version: 2.2.13

cpe:2.3:a:yiiframework:yii2-authclient:2.2.13
Yiiframework » Yii2-Authclient » Version: 2.2.14

cpe:2.3:a:yiiframework:yii2-authclient:2.2.14
Yiiframework » Yii2-Authclient » Version: 2.2.2

cpe:2.3:a:yiiframework:yii2-authclient:2.2.2
Yiiframework » Yii2-Authclient » Version: 2.2.3

cpe:2.3:a:yiiframework:yii2-authclient:2.2.3
Yiiframework » Yii2-Authclient » Version: 2.2.4

cpe:2.3:a:yiiframework:yii2-authclient:2.2.4
Yiiframework » Yii2-Authclient » Version: 2.2.5

cpe:2.3:a:yiiframework:yii2-authclient:2.2.5
Yiiframework » Yii2-Authclient » Version: 2.2.6

cpe:2.3:a:yiiframework:yii2-authclient:2.2.6
Yiiframework » Yii2-Authclient » Version: 2.2.7

cpe:2.3:a:yiiframework:yii2-authclient:2.2.7
Yiiframework » Yii2-Authclient » Version: 2.2.8

cpe:2.3:a:yiiframework:yii2-authclient:2.2.8
Yiiframework » Yii2-Authclient » Version: 2.2.9

cpe:2.3:a:yiiframework:yii2-authclient:2.2.9

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2023-50714

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