CVE-2023-4934 json
IDOR in Usta AYBS
published 2023-09-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54770
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
Authorization Bypass Through User-Controlled Key vulnerability in Usta AYBS allows Authentication Abuse, Authentication Bypass.
This issue affects AYBS: before 1.0.3.
Patch / fix
- Usta AYBS 1.0.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Usta AYBS
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
usom.gov.tr
/bildirim/tr-23-0558
government-resource, broken-link, third-party-advisory
-
siberguvenlik.gov.tr
/guvenlik-bildirimleri/detay/tr-23-0558
government-resource
Sources
- CVE List CVE-2023-4934
- NVD CVE-2023-4934
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.