CVE-2022-50800

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

HIGH
7.5
CVSS Score
Published: December 30, 2025 at 10:41 PM UTC
Updated: June 17, 2026 at 05:24 AM UTC
1 product affected across 1 vendorH3C SSL VPN

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-203

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