CVE-2023-3050Network attack vector

Unauthenticated privilege abuse via trusted client cookie

Published Jun 13, 2023 · Updated May 22, 2026

Authentication bypass in TMT Lockcell before 15 allows remote attackers to gain unauthorized privileges through a crafted cookie. The authentication decision trusts a client-supplied cookie without validating its value or protecting its integrity. No credentials or user interaction are required; the public record does not identify the cookie name, endpoint, or exact post-bypass privileges.

CVSS severity9.8
Critical
EPSS probability1.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in TMT Lockcell before 15 allows remote attackers to gain unauthorized privileges through a crafted cookie. The authentication decision trusts a client-supplied cookie without validating its value or protecting its integrity. No credentials or user interaction are required; the public record does not identify the cookie name, endpoint, or exact post-bypass privileges.

The record

CVE
CVE-2023-3050
Published
Jun 13, 2023
Updated
May 22, 2026
Vendor
TMT Makine San. ve Tic. Ltd. Şti.
Product
Lockcell
Classifications
CWE-565, CWE-784, CAPEC-122, CAPEC-115, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 13, 2023CVE publishedPublication date reported by the CVE source.
  2. May 22, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <15

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

TMT Makine San. ve Tic. Ltd. Şti. · Lockcellversion=0 <15

Published CVSS scores

9.8Computer Emergency Response Team of the Republic of TurkeyCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-565Reliance on Cookies without Validation and Integrity Checking
CWE-784Reliance on Cookies without Validation and Integrity Checking in a Security Decision
CAPEC-122Privilege Abuse
CAPEC-115Authentication Bypass
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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