CVE-2022-50800 (CVSS 7.5)

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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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-203 CWE-203

References

Other References

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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-50800? +

CVE-2022-50800 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2022-50800? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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