CVE-2025-65239 - 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

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MEDIUM

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

Published Nov 26, 2025

4.3

MEDIUM

CVSS 3.1

EPSS 0.29%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.29% 0.00287

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00287

Score over time

2025-2026

EPSS v4
EPSS v5

Percentile over time

EPSS v4
EPSS v5

Table of values (3 key points)

Flat stretches are collapsed. Showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.29% (0.00287)	19.27th	v5 (v2026.06.15)
Jun 15, 2026	0.25% (0.00246)	15.64th	v5 (v2026.06.15)
Nov 27, 2025	0.03% (0.00025)	5.75th	v4 (v2025.03.14)

Weaknesses (1)

CWE-284

References (3)

https://eslam3kl.gitbook.io
Not Applicable
https://eslam3kl.gitbook.io/blog/web-application-findings/cve-2025-65239-ussd-gateway-broken-access-control-logs
ExploitThird Party Advisory
https://github.com/eslam3kl
Not Applicable

Link	Providers	Tags
https://eslam3kl.gitbook.io		Not Applicable
https://eslam3kl.gitbook.io/blog/web-application-findings/cve-2025-65239-ussd-gateway-broken-access-control-logs		ExploitThird Party Advisory
https://github.com/eslam3kl		Not Applicable

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Nov 26, 2025

Updated Nov 26, 2025

Reserved Nov 18, 2025

Link CVE-2025-65239

CISA Vulnrichment

Updated Nov 26, 2025

NVD

Status Analyzed

Modified Jun 17, 2026

Link CVE-2025-65239

Red Hat

Severity n/a

Public date n/a

Links CVE-2025-65239