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Vulnerable Software

Vulnerability Details CVE-2021-23435

This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com).

Exploit prediction scoring system (EPSS) score

EPSS Score 0.003

EPSS Ranking 51.2%

CVSS Severity

CVSS v3 Score 7.6

CVSS v2 Score 5.8

References

Products affected by CVE-2021-23435

Thoughtbot » Clearance » Version: 0.10.0

cpe:2.3:a:thoughtbot:clearance:0.10.0
Thoughtbot » Clearance » Version: 0.10.3

cpe:2.3:a:thoughtbot:clearance:0.10.3
Thoughtbot » Clearance » Version: 0.10.3.1

cpe:2.3:a:thoughtbot:clearance:0.10.3.1
Thoughtbot » Clearance » Version: 0.10.3.2

cpe:2.3:a:thoughtbot:clearance:0.10.3.2
Thoughtbot » Clearance » Version: 0.10.4

cpe:2.3:a:thoughtbot:clearance:0.10.4
Thoughtbot » Clearance » Version: 0.10.5

cpe:2.3:a:thoughtbot:clearance:0.10.5
Thoughtbot » Clearance » Version: 0.11.0

cpe:2.3:a:thoughtbot:clearance:0.11.0
Thoughtbot » Clearance » Version: 0.11.1

cpe:2.3:a:thoughtbot:clearance:0.11.1
Thoughtbot » Clearance » Version: 0.11.2

cpe:2.3:a:thoughtbot:clearance:0.11.2
Thoughtbot » Clearance » Version: 0.12.0

cpe:2.3:a:thoughtbot:clearance:0.12.0
Thoughtbot » Clearance » Version: 0.13.0

cpe:2.3:a:thoughtbot:clearance:0.13.0
Thoughtbot » Clearance » Version: 0.13.1

cpe:2.3:a:thoughtbot:clearance:0.13.1
Thoughtbot » Clearance » Version: 0.13.2

cpe:2.3:a:thoughtbot:clearance:0.13.2
Thoughtbot » Clearance » Version: 0.14.0

cpe:2.3:a:thoughtbot:clearance:0.14.0
Thoughtbot » Clearance » Version: 0.15.0

cpe:2.3:a:thoughtbot:clearance:0.15.0
Thoughtbot » Clearance » Version: 0.16.0

cpe:2.3:a:thoughtbot:clearance:0.16.0
Thoughtbot » Clearance » Version: 0.16.2

cpe:2.3:a:thoughtbot:clearance:0.16.2
Thoughtbot » Clearance » Version: 0.16.3

cpe:2.3:a:thoughtbot:clearance:0.16.3
Thoughtbot » Clearance » Version: 0.3.7

cpe:2.3:a:thoughtbot:clearance:0.3.7
Thoughtbot » Clearance » Version: 0.4.4

cpe:2.3:a:thoughtbot:clearance:0.4.4
Thoughtbot » Clearance » Version: 0.4.9

cpe:2.3:a:thoughtbot:clearance:0.4.9
Thoughtbot » Clearance » Version: 0.5.0

cpe:2.3:a:thoughtbot:clearance:0.5.0
Thoughtbot » Clearance » Version: 0.5.1

cpe:2.3:a:thoughtbot:clearance:0.5.1
Thoughtbot » Clearance » Version: 0.5.2

cpe:2.3:a:thoughtbot:clearance:0.5.2
Thoughtbot » Clearance » Version: 0.5.3

cpe:2.3:a:thoughtbot:clearance:0.5.3
Thoughtbot » Clearance » Version: 0.5.4

cpe:2.3:a:thoughtbot:clearance:0.5.4
Thoughtbot » Clearance » Version: 0.5.5

cpe:2.3:a:thoughtbot:clearance:0.5.5
Thoughtbot » Clearance » Version: 0.5.6

cpe:2.3:a:thoughtbot:clearance:0.5.6
Thoughtbot » Clearance » Version: 0.6.0

cpe:2.3:a:thoughtbot:clearance:0.6.0
Thoughtbot » Clearance » Version: 0.6.1

cpe:2.3:a:thoughtbot:clearance:0.6.1
Thoughtbot » Clearance » Version: 0.6.2

cpe:2.3:a:thoughtbot:clearance:0.6.2
Thoughtbot » Clearance » Version: 0.6.3

cpe:2.3:a:thoughtbot:clearance:0.6.3
Thoughtbot » Clearance » Version: 0.6.4

cpe:2.3:a:thoughtbot:clearance:0.6.4
Thoughtbot » Clearance » Version: 0.6.5

cpe:2.3:a:thoughtbot:clearance:0.6.5
Thoughtbot » Clearance » Version: 0.6.6

cpe:2.3:a:thoughtbot:clearance:0.6.6
Thoughtbot » Clearance » Version: 0.6.7

cpe:2.3:a:thoughtbot:clearance:0.6.7
Thoughtbot » Clearance » Version: 0.6.8

cpe:2.3:a:thoughtbot:clearance:0.6.8
Thoughtbot » Clearance » Version: 0.6.9

cpe:2.3:a:thoughtbot:clearance:0.6.9
Thoughtbot » Clearance » Version: 0.7.0

cpe:2.3:a:thoughtbot:clearance:0.7.0
Thoughtbot » Clearance » Version: 0.8.0

cpe:2.3:a:thoughtbot:clearance:0.8.0
Thoughtbot » Clearance » Version: 0.8.1

cpe:2.3:a:thoughtbot:clearance:0.8.1
Thoughtbot » Clearance » Version: 0.8.2

cpe:2.3:a:thoughtbot:clearance:0.8.2
Thoughtbot » Clearance » Version: 0.8.3

cpe:2.3:a:thoughtbot:clearance:0.8.3
Thoughtbot » Clearance » Version: 0.8.4

cpe:2.3:a:thoughtbot:clearance:0.8.4
Thoughtbot » Clearance » Version: 0.8.5

cpe:2.3:a:thoughtbot:clearance:0.8.5
Thoughtbot » Clearance » Version: 0.8.6

cpe:2.3:a:thoughtbot:clearance:0.8.6
Thoughtbot » Clearance » Version: 0.8.7

cpe:2.3:a:thoughtbot:clearance:0.8.7
Thoughtbot » Clearance » Version: 0.8.8

cpe:2.3:a:thoughtbot:clearance:0.8.8
Thoughtbot » Clearance » Version: 0.9.0

cpe:2.3:a:thoughtbot:clearance:0.9.0
Thoughtbot » Clearance » Version: 0.9.1

cpe:2.3:a:thoughtbot:clearance:0.9.1
Thoughtbot » Clearance » Version: 1.0.0

cpe:2.3:a:thoughtbot:clearance:1.0.0
Thoughtbot » Clearance » Version: 1.0.1

cpe:2.3:a:thoughtbot:clearance:1.0.1
Thoughtbot » Clearance » Version: 1.1.0

cpe:2.3:a:thoughtbot:clearance:1.1.0
Thoughtbot » Clearance » Version: 1.10.0

cpe:2.3:a:thoughtbot:clearance:1.10.0
Thoughtbot » Clearance » Version: 1.10.1

cpe:2.3:a:thoughtbot:clearance:1.10.1
Thoughtbot » Clearance » Version: 1.11.0

cpe:2.3:a:thoughtbot:clearance:1.11.0
Thoughtbot » Clearance » Version: 1.12.0

cpe:2.3:a:thoughtbot:clearance:1.12.0
Thoughtbot » Clearance » Version: 1.12.1

cpe:2.3:a:thoughtbot:clearance:1.12.1
Thoughtbot » Clearance » Version: 1.13.0

cpe:2.3:a:thoughtbot:clearance:1.13.0
Thoughtbot » Clearance » Version: 1.14.0

cpe:2.3:a:thoughtbot:clearance:1.14.0
Thoughtbot » Clearance » Version: 1.14.1

cpe:2.3:a:thoughtbot:clearance:1.14.1
Thoughtbot » Clearance » Version: 1.14.2

cpe:2.3:a:thoughtbot:clearance:1.14.2
Thoughtbot » Clearance » Version: 1.15.0

cpe:2.3:a:thoughtbot:clearance:1.15.0
Thoughtbot » Clearance » Version: 1.15.1

cpe:2.3:a:thoughtbot:clearance:1.15.1
Thoughtbot » Clearance » Version: 1.16.0

cpe:2.3:a:thoughtbot:clearance:1.16.0
Thoughtbot » Clearance » Version: 1.16.1

cpe:2.3:a:thoughtbot:clearance:1.16.1
Thoughtbot » Clearance » Version: 1.16.2

cpe:2.3:a:thoughtbot:clearance:1.16.2
Thoughtbot » Clearance » Version: 1.17.0

cpe:2.3:a:thoughtbot:clearance:1.17.0
Thoughtbot » Clearance » Version: 1.2.0

cpe:2.3:a:thoughtbot:clearance:1.2.0
Thoughtbot » Clearance » Version: 1.2.1

cpe:2.3:a:thoughtbot:clearance:1.2.1
Thoughtbot » Clearance » Version: 1.3.0

cpe:2.3:a:thoughtbot:clearance:1.3.0
Thoughtbot » Clearance » Version: 1.4.0

cpe:2.3:a:thoughtbot:clearance:1.4.0
Thoughtbot » Clearance » Version: 1.4.1

cpe:2.3:a:thoughtbot:clearance:1.4.1
Thoughtbot » Clearance » Version: 1.4.2

cpe:2.3:a:thoughtbot:clearance:1.4.2
Thoughtbot » Clearance » Version: 1.4.3

cpe:2.3:a:thoughtbot:clearance:1.4.3
Thoughtbot » Clearance » Version: 1.5.0

cpe:2.3:a:thoughtbot:clearance:1.5.0
Thoughtbot » Clearance » Version: 1.5.1

cpe:2.3:a:thoughtbot:clearance:1.5.1
Thoughtbot » Clearance » Version: 1.6.0

cpe:2.3:a:thoughtbot:clearance:1.6.0
Thoughtbot » Clearance » Version: 1.6.1

cpe:2.3:a:thoughtbot:clearance:1.6.1
Thoughtbot » Clearance » Version: 1.7.0

cpe:2.3:a:thoughtbot:clearance:1.7.0
Thoughtbot » Clearance » Version: 1.8.0

cpe:2.3:a:thoughtbot:clearance:1.8.0
Thoughtbot » Clearance » Version: 1.8.1

cpe:2.3:a:thoughtbot:clearance:1.8.1
Thoughtbot » Clearance » Version: 1.9.0

cpe:2.3:a:thoughtbot:clearance:1.9.0
Thoughtbot » Clearance » Version: 2.0.0

cpe:2.3:a:thoughtbot:clearance:2.0.0
Thoughtbot » Clearance » Version: 2.1.0

cpe:2.3:a:thoughtbot:clearance:2.1.0
Thoughtbot » Clearance » Version: 2.2.0

cpe:2.3:a:thoughtbot:clearance:2.2.0
Thoughtbot » Clearance » Version: 2.2.1

cpe:2.3:a:thoughtbot:clearance:2.2.1
Thoughtbot » Clearance » Version: 2.3.0

cpe:2.3:a:thoughtbot:clearance:2.3.0
Thoughtbot » Clearance » Version: 2.3.1

cpe:2.3:a:thoughtbot:clearance:2.3.1
Thoughtbot » Clearance » Version: 2.4.0

cpe:2.3:a:thoughtbot:clearance:2.4.0

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Vulnerability Details CVE-2021-23435

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