OpenCode USSD Gateway OC 6.13.11 /aux1/ocussd/trace access control

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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in OpenCode USSD Gateway OC 6.13.11. The affected element is an unknown function of the file /aux1/ocussd/trace. Such manipulation leads to access control. This vulnerability is traded as CVE-2025-65239. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenCode USSD Gateway OC 6.13.11. Affected by this issue is an unknown functionality of the file /aux1/ocussd/trace. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. CVE summarizes:

Incorrect access control in the /aux1/ocussd/trace endpoint of OpenCode Systems USSD Gateway OC Release:5, version 6.13.11 allows attackers with low-level privileges to read server logs.

The advisory is available at eslam3kl.gitbook.io. This vulnerability is handled as CVE-2025-65239 since 11/18/2025. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/26/2025). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/18/2025 CVE reserved
11/26/2025 +8 days Advisory disclosed
11/26/2025 +0 days VulDB entry created
11/26/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: eslam3kl.gitbook.io
Status: Not defined

CVE: CVE-2025-65239 (🔒)
GCVE (CVE): GCVE-0-2025-65239
GCVE (VulDB): GCVE-100-333614

Entryinfo

Created: 11/26/2025 17:33
Changes: 11/26/2025 17:33 (53)
Complete: 🔍
Cache ID: 216::103

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