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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2025-27221

CVE-2025-27221

LOW3.2

In the URI gem before 1

Published Mar 3, 2025

Modified 4 months ago

Details

In the URI gem before 1.0.3 for Ruby, the URI handling methods (URI.join, URI#merge, URI#+) have an inadvertent leakage of authentication credentials because userinfo is retained even after changing the host.

References

https://github.com/rubysec/ruby-advisory-db/blob/master/gems/uri/CVE-2025-27221.yml

https://hackerone.com/reports/2957667

https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html

https://lists.debian.org/debian-lts-announce/2025/05/msg00015.html

https://www.cve.org/CVERecord?id=CVE-2025-27221

CVSS Analysis

CVSS v3.1

3.2

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

ChangedS:C

Impact

Confidentiality

LowC:L

Integrity

NoneI:N

Availability

NoneA:N

3.2/CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedMar 3, 2025

ModifiedNov 3, 2025

CVE-2025-27221 | Mondoo Vulnerability Intelligence