CVE-2021-47717

UNKNOWN 0.0

IntelliChoice eFORCE Software Suite Username Enumeration

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-204
Vendor	intellichoice
Product	intellichoice eforce software suite
Published	Dec 9, 2025
Last Updated	Apr 7, 2026

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Affected Versions

IntelliChoice / IntelliChoice eFORCE Software Suite

2.5.9.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/50164 eforcesoftware.com: https://www.eforcesoftware.com zeroscience.mk: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5658.php vulncheck.com: https://www.vulncheck.com/advisories/intellichoice-eforce-software-suite-username-enumeration

Credits

LiquidWorm as Gjoko Krstic of Zero Science Lab