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CVE

CWE

Training

CVE-2022-50800

Published: Dec 30, 2025

Modified: Jan 2, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

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.

Vendor	Product	Versions
Hangzhou H3C Technologies	H3C SSL VPN	affected `1.1`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

References

ExploitDB-50742

exploit

H3C Official Product Homepage

product

Zero Science Lab Disclosure (ZSL-2022-5697)

third-party-advisory

VulnCheck Advisory: H3C SSL VPN n/a Username Enumeration via Login Script Credential Verification

third-party-advisory

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