CVE-2021-47717

Dec. 12, 2025, 3:19 p.m.

6.9
Medium

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.

Product(s) Impacted

Product Versions
eforce_software_suite
  • 2.5.9

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-204
Observable Response Discrepancy
The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.

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

Tags

CWE-204
disclosure@vulncheck.com
2025-12-09
CVE-2021-47717

CVSS Score

6.9 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: NONE
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: LOW
  • Integrity Impact: NONE
  • Availability Impact: NONE
  • Exploit Maturity: NOT_DEFINED

    • 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

    View Vector String

Timeline

Published: Dec. 9, 2025, 9:15 p.m.
Last Modified: Dec. 12, 2025, 3:19 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

disclosure@vulncheck.com

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.