SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-22885

A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the `redirect_to` or `polymorphic_url`helper with untrusted user input.

HIGH 7.5EPSS 4.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the `redirect_to` or `polymorphic_url`helper with untrusted user input.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
4.16% probability · 90th percentile
CISA KEV
Not listed
Weakness
CWE-209
Affected
rubyonrails/rails · rubyonrails/actionpack page-caching · debian/debian linux
Source
support@hackerone.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.