kgateway up to 2.0.4/2.1.0-rc2 Configuration Data authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in kgateway up to 2.0.4/2.1.0-rc2. It has been classified as problematic. This impacts an unknown function of the component Configuration Data Handler. This manipulation causes authorization. This vulnerability appears as CVE-2025-64323. The attacker needs to be present on the local network. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in kgateway up to 2.0.4/2.1.0-rc2 and classified as problematic. Affected by this vulnerability is an unknown code block of the component Configuration Data Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality. The summary by CVE is:

kgateway is a Cloud-Native API and AI Gateway. Versions 2.0.4 and below and 2.1.0-agw-cel-rbac through 2.1.0-rc.2 lack authentication, allowing any client with unrestricted network access to the xDS port to retrieve potentially sensitive configuration data including certificate data, backend service information, routing rules, and cluster metadata. This issue is solved in versions 2.0.5 and 2.1.0.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-64323 since 10/30/2025. The exploitation appears to be difficult. Access to the local network is required for this attack. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.0.5 or 2.1.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-37852). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: kgateway 2.0.5/2.1.0
Patch: github.com

Timelineinfo

10/30/2025 CVE reserved
11/07/2025 +8 days Advisory disclosed
11/07/2025 +0 days VulDB entry created
11/07/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: 10651
Status: Confirmed

CVE: CVE-2025-64323 (🔒)
GCVE (CVE): GCVE-0-2025-64323
GCVE (VulDB): GCVE-100-331483
EUVD: 🔒

Entryinfo

Created: 11/07/2025 07:32
Updated: 11/07/2025 22:40
Changes: 11/07/2025 07:32 (64), 11/07/2025 22:40 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!