What is CVE-2022-50800?

CVE-2022-50800 is a high-severity vulnerability in Hangzhou H3c Technologies Ssl Vpn, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2025-12-30.

How severe is CVE-2022-50800?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Hangzhou H3c Technologies Ssl Vpn

CVE-2022-50800

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.

EPSS: 0.003 (23.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Hangzhou H3c Technologies Ssl Vpn — versions 1.1

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2022-50800?: CVE-2022-50800 is a high-severity vulnerability in Hangzhou H3c Technologies Ssl Vpn, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2025-12-30.
How severe is CVE-2022-50800?: High severity. CVSS v3 base score is 7.5 out of 10.