CVE-2022-50800

H3C SSL VPN contains a user enumeration vulnerability that allows attackers to identify valid usernames through the 'txtUsrName' POST parameter. Attackers can submit different usernames to the login_submit.cgi endpoint and analyze response messages to distinguish between existing and non-existing accounts.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/50742
https://www.h3c.com
https://www.vulncheck.com/advisories/hc-ssl-vpn-na-username-enumeration-via-login-script-credential-verification
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5697.php

Configurations

No configuration.

History

15 Apr 2026, 00:35

Type	Values Removed	Values Added
Summary		(es) H3C SSL VPN contiene una vulnerabilidad de enumeración de usuarios que permite a los atacantes identificar nombres de usuario válidos a través del parámetro POST 'txtUsrName'. Los atacantes pueden enviar diferentes nombres de usuario al endpoint login_submit.cgi y analizar los mensajes de respuesta para distinguir entre cuentas existentes y no existentes.

30 Dec 2025, 23:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-30 23:15

Updated : 2026-04-15 00:35

NVD link : CVE-2022-50800

Mitre link : CVE-2022-50800

CVE.ORG link : CVE-2022-50800

JSON object : View

Products Affected

No product.

CWE

CWE-203

Observable Discrepancy

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