CVE-2025-22870

MEDIUM
2025-03-12 [email protected]
4.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

Lifecycle Timeline

3
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 18:31 vuln.today
CVE Published
Mar 12, 2025 - 19:15 nvd
MEDIUM 4.4

Tags

Information Disclosure Redhat Suse

Description

Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.

Analysis

Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified under CWE-115. Matching of hosts against proxy patterns can improperly treat an IPv6 zone ID as a hostname component. For example, when the NO_PROXY environment variable is set to "*.example.com", a request to "[::1%25.example.com]:80` will incorrectly match and not be proxied.

Affected Products

See vendor advisory for affected versions.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +22
POC: 0

Vendor Status

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CVE-2025-22870 vulnerability details – vuln.today
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