CVE-2025-0752

Envoyproxy: openshift service mesh envoy http header sanitization bypass leading to dos and unauthorized access

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.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Affected: Red Hat OpenShift Service Mesh 2
Affected: Red Hat OpenShift Service Mesh 2
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2025-0752 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2339115 issue tracking

Frequently Asked Questions

What is the severity of CVE-2025-0752?
CVE-2025-0752 has been scored as a medium severity vulnerability.
How to fix CVE-2025-0752?
To fix CVE-2025-0752, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-0752 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-0752 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-0752?
CVE-2025-0752 affects Red Hat OpenShift Service Mesh 2, Red Hat OpenShift Service Mesh 2.
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