CVE-2021-47717

MEDIUM EPSS 21.7%
Published Dec 9, 20256mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Dec 9, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
21.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-204

References 4

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.