Authentication Bypass in TMT's Lockcell

published 2023-06-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43742

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits: 0; none known

Reliance on Cookies without Validation and Integrity Checking in a Security Decision vulnerability in TMT Lockcell allows Privilege Abuse, Authentication Bypass.

This issue affects Lockcell: before 15.

Patch / fix

fixed in 1

TMT Lockcell 15

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 22 mo ago (2025-01-03)

Exploit prediction

1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

fordefence.com https://fordefence.com/cve-2023-3050-reliance-on-cookies-without-validation-and-integrity-checking-in-a-security-decision-vulnerability-in-tmt-lockcell-allows-privilege-abuse-authentication-bypass/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

TMT Lockcell

Classification

Weakness

CWE-784 Reliance on Cookies without Validation and Integrity Checking in a Security Decision
CWE-565 Reliance on Cookies without Validation and Integrity Checking

References

fordefence.com /cve-2023-3050-reliance-on-cookies-without-validation-and-integrity-checking-in-a-security-decision-vulnerabil
exploit, technical-description, third-party-advisory
usom.gov.tr /bildirim/tr-23-0345
government-resource, broken-link, third-party-advisory
siberguvenlik.gov.tr /guvenlik-bildirimleri/detay/tr-23-0345
government-resource

Sources

CVE List CVE-2023-3050
NVD CVE-2023-3050

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