High severity7.5NVD Advisory· Published Dec 30, 2025· Updated Apr 15, 2026

CVE-2022-50800

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Portwise/SSL VPNllm-fuzzy

Patches

Vulnerability mechanics

References

www.exploit-db.com/exploits/50742nvd
www.h3c.comnvd
www.vulncheck.com/advisories/hc-ssl-vpn-na-username-enumeration-via-login-script-credential-verificationnvd
www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5697.phpnvd

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