Username Enumeration Vulnerability in GLPI by Teclib
CVE-2023-53943

6.9MEDIUM

Key Information:

Vendor

GLPI Project
Status
Glpi
Vendor
CVE Published:
18 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53943?

The GLPI 9.5.7 version contains a vulnerability in its password recovery system that allows attackers to perform username enumeration. By leveraging the lost password recovery functionality, malicious actors can submit various email addresses to the password reset endpoint. By analyzing the system's responses, they can determine which email addresses are associated with valid user accounts, thus facilitating targeted attacks. This vulnerability emphasizes the need for robust validation mechanisms and response uniformity to prevent such unauthorized account discovery.

Affected Version(s)

GLPI 9.5.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53943 - Proof of Concept

References

https://www.exploit-db.com/exploits/51418
exploit
https://glpi-project.org/pt-br/
product
https://www.vulncheck.com/advisories/glpi-username-enumer...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Rafael B.
JSON
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CVE-2023-53943 : Username Enumeration Vulnerability in GLPI by Teclib