What is CVE-2023-3048?

CVE-2023-3048 is a critical-severity vulnerability in Tmt Lockcell, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2023-06-13.

How severe is CVE-2023-3048?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Tmt Lockcell

CVE-2023-3048

Authorization Bypass Through User-Controlled Key vulnerability in TMT Lockcell allows Authentication Abuse, Authentication Bypass. This issue affects Lockcell: before 15.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2023-06-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.1th percentile), scored 2026-10-25.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: -0.000

Affected products

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

www.usom.gov.tr/bildirim/tr-23-0345 (Third Party Advisory, government-resource, broken-link)
fordefence.com/cve-2023-3048-authorization-bypass-through-user-controlled-key-v… (Exploit, technical-description, Third Party Advisory, exploit)
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0345 (government-resource)

Frequently asked questions

What is CVE-2023-3048?: CVE-2023-3048 is a critical-severity vulnerability in Tmt Lockcell, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2023-06-13.
How severe is CVE-2023-3048?: Critical severity. CVSS v3 base score is 9.8 out of 10.