What’s Vulnerable › Vulnerabilities

CVE-2021-47717: IntelliChoice eFORCE Software Suite Username Enumeration

• Severity: medium (CVSS 6.9 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-09 · updated 2026-06-17
• Weakness: CWE-204

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.

Affected products

• IntelliChoice eFORCE Software Suite: 2.5.9.6

References

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

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