Medium severityNVD Advisory· Published Dec 9, 2025· Updated Apr 15, 2026

CVE-2021-47717

Description

IntelliChoice eFORCE Software Suite 2.5.9 contains a username enumeration vulnerability that allows attackers to enumerate valid users by exploiting the 'ctl00$MainContent$UserName' POST parameter. Attackers can send requests with valid usernames to retrieve user information.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.eforcesoftware.comnvd
www.exploit-db.com/exploits/50164nvd
www.vulncheck.com/advisories/intellichoice-eforce-software-suite-username-enumerationnvd
www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5658.phpnvd

News mentions

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