CVE-2022-50800 MEDIUM

CVE-2022-50800: H3C SSL VPN n/a Username Enumeration via Login Script Credential Verification

Vendor Hangzhou H3C Technologies
Product H3C SSL VPN
Weakness CWE-203
Published December 30, 2025
Last update January 2, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 30, 2025 CVE published
January 2, 2026 Record updated