CVE-2025-27220

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/03/2025

Last modified:

05/03/2025

Description

In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L CVSS v3.1 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): Low

Base Score 3.x

4.00

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:ruby-lang:cgi::::::ruby::*		0.3.5.1 (excluding)
cpe:2.3:a:ruby-lang:cgi::::::ruby::*	0.4.0 (including)	0.4.2 (excluding)
cpe:2.3:a:ruby-lang:cgi:0.3.6:::::ruby::
cpe:2.3:a:ruby-lang:ruby:3.1.0:::::::*
cpe:2.3:a:ruby-lang:ruby:3.2.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2025-27220

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools