CVE-2021-47717 IntelliChoice eFORCE Software Suite Username Enumeration
Attackers can enumerate valid usernames via the login form, exposing user information in IntelliChoice eFORCE Software Suite.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47717?
CVE-2021-47717 is a medium-severity vulnerability in IntelliChoice eFORCE Software Suite, published on 9 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-204
Which versions are affected by CVE-2021-47717?
How do I fix CVE-2021-47717?
No fix has been published for CVE-2021-47717 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-47717 being exploited?
There is no known exploitation of CVE-2021-47717 in the wild and no public exploit code.
Sources
Also known as GHSA-rp4x-67w5-6r6h.