CVE-2022-50800

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

Published Dec 30, 2025 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared H3c
H3c ssl Vpn
Vendors & Products H3c
H3c ssl Vpn
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title H3C SSL VPN n/a Username Enumeration via Login Script Credential Verification
Weaknesses CWE-203
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 6.9, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jan 2, 2026, 7:51 PM
Reserved
Dec 27, 2025, 1:53 PM
Status
Deferred
Published
Dec 30, 2025, 11:15 PM
Modified
Jun 17, 2026, 5:24 AM