CVE-2021-47861 - CVE House
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Status published High CVE-2021-47861

Event Log Explorer 4.9.3 - 'ElodeaEventCollectorService' Unquoted Service Path

Vulnerability Description

Event Log Explorer 4.9.3 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path by placing malicious executables in specific file system locations that will be executed with LocalSystem account privileges during service startup.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Alan Mondragon

References

Affected Vendor

Affected Software

Event Log Explorer
Vulnerable Versions:
4.9.3

Timeline

Official Publish: January 21st, 2026
Last Modified: March 5th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-428

MITRE ATT&CK TTPs

T1574 Hijack Execution Flow
Privilege Escalation
T1036 Masquerading
Defense Evasion
T1543 Create or Modify System Process
Persistence
T1059 Command and Scripting Interpreter
Execution
T1569 System Services
Execution