CVE-2021-47717

IntelliChoice eFORCE Software Suite Username Enumeration

CVSS 6.9 MEDIUMEPSS 0.3%CWE-204

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

09 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Affected products

IntelliChoice · IntelliChoice eFORCE Software Suite

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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