IDOR in Usta Information Systems' Aybs Interaktif

published 2025-10-10 12 mo ago modified 2026-10-08 31 d ago also EUVD-2025-33726

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

Authorization Bypass Through User-Controlled Key, Missing Authorization, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Usta Information Systems Inc. Aybs Interaktif allows Forceful Browsing, Parameter Injection, Input Data Manipulation.

This issue affects Aybs Interaktif: from 2024 through 28082025.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 12 mo ago (2025-10-10)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Affected products

Usta Information Systems Inc. Aybs Interaktif

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key
CWE-862 Missing Authorization
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

usom.gov.tr /bildirim/tr-25-0329
government-resource, broken-link
siberguvenlik.gov.tr /guvenlik-bildirimleri/detay/tr-25-0329
government-resource

Sources

CVE List CVE-2025-8887
NVD CVE-2025-8887

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary