CVE-2025-0752

HIGH
2025-01-28 [email protected]
7.1
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:06 vuln.today
CVE Published
Jan 28, 2025 - 10:15 nvd
HIGH 7.1

Tags

Authentication Bypass Request Smuggling Openshift Service Mesh Redhat

Description

A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy.

Analysis

A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as HTTP Request/Response Smuggling (CWE-444), which allows attackers to manipulate HTTP request interpretation between frontend and backend servers. A flaw was found in OpenShift Service Mesh 2.6.3 and 2.5.6. Rate-limiter avoidance, access-control bypass, CPU and memory exhaustion, and replay attacks may be possible due to improper HTTP header sanitization in Envoy. Affected products include: Redhat Openshift Service Mesh.

Affected Products

Redhat Openshift Service Mesh.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Enforce strict HTTP parsing, normalize requests at proxy layer, use HTTP/2 end-to-end, reject ambiguous headers.

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +36
POC: 0

Vendor Status

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CVE-2025-0752 vulnerability details – vuln.today
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