CVE-2022-50800

MEDIUM EPSS 23.2%
Published Dec 30, 20256mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Dec 30, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
23.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-203

References 4

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.