CVE-2025-0752 Envoyproxy: openshift service mesh envoy http header sanitization bypass leading to dos and unauthorized access
Attackers can bypass HTTP header sanitization in Envoy to evade rate limiting, bypass access controls, and cause resource exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-0752?
CVE-2025-0752 is a high-severity vulnerability in Red Hat OpenShift Service Mesh 2, published on 28 Jan 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-444
Which versions are affected by CVE-2025-0752?
It affects 1 product.
Products include Redhat Openshift Service Mesh.
How do I fix CVE-2025-0752?
No fix has been published for CVE-2025-0752 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-0752 being exploited?
There is no known exploitation of CVE-2025-0752 in the wild and no public exploit code.
Other vulnerabilities in Red Hat OpenShift Service Mesh 2
Sources
Also known as GHSA-wpxv-x75w-vp46.