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Vulnerability Details CVE-2021-41263

rails_multisite provides multi-db support for Rails applications. In affected versions this vulnerability impacts any Rails applications using `rails_multisite` alongside Rails' signed/encrypted cookies. Depending on how the application makes use of these cookies, it may be possible for an attacker to re-use cookies on different 'sites' within a multi-site Rails application. The issue has been patched in v4 of the `rails_multisite` gem. Note that this upgrade will invalidate all previous signed/encrypted cookies. The impact of this invalidation will vary based on the application architecture.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 42.1%

CVSS Severity

CVSS v3 Score 8.3

CVSS v2 Score 6.0

References

Products affected by CVE-2021-41263

Discourse » Rails Multisite » Version: 0.0.1

cpe:2.3:a:discourse:rails_multisite:0.0.1
Discourse » Rails Multisite » Version: 1.0.1

cpe:2.3:a:discourse:rails_multisite:1.0.1
Discourse » Rails Multisite » Version: 1.0.2

cpe:2.3:a:discourse:rails_multisite:1.0.2
Discourse » Rails Multisite » Version: 1.0.3

cpe:2.3:a:discourse:rails_multisite:1.0.3
Discourse » Rails Multisite » Version: 1.0.4

cpe:2.3:a:discourse:rails_multisite:1.0.4
Discourse » Rails Multisite » Version: 1.0.5

cpe:2.3:a:discourse:rails_multisite:1.0.5
Discourse » Rails Multisite » Version: 1.0.6

cpe:2.3:a:discourse:rails_multisite:1.0.6
Discourse » Rails Multisite » Version: 1.1.0

cpe:2.3:a:discourse:rails_multisite:1.1.0
Discourse » Rails Multisite » Version: 1.1.1

cpe:2.3:a:discourse:rails_multisite:1.1.1
Discourse » Rails Multisite » Version: 1.1.2

cpe:2.3:a:discourse:rails_multisite:1.1.2
Discourse » Rails Multisite » Version: 2.0.0

cpe:2.3:a:discourse:rails_multisite:2.0.0
Discourse » Rails Multisite » Version: 2.0.1

cpe:2.3:a:discourse:rails_multisite:2.0.1
Discourse » Rails Multisite » Version: 2.0.2

cpe:2.3:a:discourse:rails_multisite:2.0.2
Discourse » Rails Multisite » Version: 2.0.3

cpe:2.3:a:discourse:rails_multisite:2.0.3
Discourse » Rails Multisite » Version: 2.0.4

cpe:2.3:a:discourse:rails_multisite:2.0.4
Discourse » Rails Multisite » Version: 2.0.5

cpe:2.3:a:discourse:rails_multisite:2.0.5
Discourse » Rails Multisite » Version: 2.0.6

cpe:2.3:a:discourse:rails_multisite:2.0.6
Discourse » Rails Multisite » Version: 2.0.7

cpe:2.3:a:discourse:rails_multisite:2.0.7
Discourse » Rails Multisite » Version: 2.1.0

cpe:2.3:a:discourse:rails_multisite:2.1.0
Discourse » Rails Multisite » Version: 2.1.1

cpe:2.3:a:discourse:rails_multisite:2.1.1
Discourse » Rails Multisite » Version: 2.1.2

cpe:2.3:a:discourse:rails_multisite:2.1.2
Discourse » Rails Multisite » Version: 2.2.2

cpe:2.3:a:discourse:rails_multisite:2.2.2
Discourse » Rails Multisite » Version: 2.3.0

cpe:2.3:a:discourse:rails_multisite:2.3.0
Discourse » Rails Multisite » Version: 2.4.0

cpe:2.3:a:discourse:rails_multisite:2.4.0
Discourse » Rails Multisite » Version: 2.5.0

cpe:2.3:a:discourse:rails_multisite:2.5.0
Discourse » Rails Multisite » Version: 3.0.0

cpe:2.3:a:discourse:rails_multisite:3.0.0
Discourse » Rails Multisite » Version: 3.1.0

cpe:2.3:a:discourse:rails_multisite:3.1.0

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Vulnerability Details CVE-2021-41263

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