Red Hat OpenShift Service Mesh proxyv2-rhel9 request smuggling
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $5k-$25k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Red Hat OpenShift Service Mesh. Impacted is an unknown function of the component proxyv2-rhel9. Such manipulation leads to request smuggling. This vulnerability is referenced as CVE-2025-0752. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability was found in Red Hat OpenShift Service Mesh (affected version not known) and classified as critical. Affected by this issue is some unknown functionality of the component proxyv2-rhel9. The manipulation with an unknown input leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent
(such as a proxy or firewall) in the data flow between two
entities such as a client and server, but it does not
interpret malformed HTTP requests or responses in ways that
are consistent with how the messages will be processed by
those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:
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.
The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2025-0752. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/24/2026).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-1853). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.redhat.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.7
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.1
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Request smugglingCWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/27/2025 🔍01/27/2025 🔍
02/24/2026 🔍
Sources
Vendor: redhat.comAdvisory: bugzilla.redhat.com
Status: Not defined
CVE: CVE-2025-0752 (🔍)
GCVE (CVE): GCVE-0-2025-0752
GCVE (VulDB): GCVE-100-293540
EUVD: 🔍
Entry
Created: 01/27/2025 15:53Updated: 02/24/2026 13:46
Changes: 01/27/2025 15:53 (15), 01/27/2025 15:56 (35), 01/28/2025 12:26 (10), 07/31/2025 23:46 (1), 02/19/2026 16:49 (5), 02/24/2026 13:46 (1)
Complete: 🔍
Committer: sany
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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