Vulnerability identifier: #VU53001

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-22885

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Ruby on Rails
Universal components / Libraries / Scripting languages

Vendor: Rails

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper input validation in the Action Pack within the "redirect_to" or "polymorphic_url" helper. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Ruby on Rails: 1.0.0 - 2.0.0

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CPE

• cpe:2.3:a:rails:ruby_on_rails:1.9.5:*:*:*:*:*:*:*

External links
http://seclists.org/oss-sec/2021/q2/101

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?