CVE-2025-27220

4.0 MEDIUM
Published: March 04, 2025 Modified: November 03, 2025
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27220.yml
Source: cve@mitre.org
Third Party Advisory
https://hackerone.com/reports/2890322
Source: cve@mitre.org
Permissions Required
https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html
Source: af854a3a-2127-422b-91ae-364da2661108

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.0 / 10.0
EPSS (Exploit Probability)
0.6%
68th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-1333 CWE-1333

Affected Vendors

ruby-lang

Related CVEs

CVE-2025-69261 N/A
CVE-2025-69257 6.7
CVE-2025-69210 N/A
CVE-2025-66823 N/A
CVE-2025-50343 N/A