CVE-2022-50800: H3C SSL VPN n/a Username Enumeration via Login Script Credential Verification
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 loginsubmit.cgi endpoint and analyze response messages to distinguish between existing and non-existing accounts.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2022-50800?
CVE-2022-50800 is classified as a high severity vulnerability due to its potential for user enumeration attacks.
How do I fix CVE-2022-50800?
To fix CVE-2022-50800, implement rate limiting on the login_submit.cgi endpoint and modify response messages to avoid providing clues about valid usernames.
What type of vulnerability is CVE-2022-50800?
CVE-2022-50800 is a user enumeration vulnerability that allows attackers to identify valid usernames.
Which products are affected by CVE-2022-50800?
CVE-2022-50800 affects the H3C SSL VPN product.
How can attackers exploit CVE-2022-50800?
Attackers can exploit CVE-2022-50800 by submitting various usernames to the login form and analyzing the system's responses to identify valid accounts.