Privilege escalation in Echo Anti Cheat Tool

CVE-2023-38817

An issue in Inspect Element Ltd Echo.ac v.5.2.1.0 allows a local attacker to gain privileges via a crafted command to the echo_driver.sys component. NOTE: the vendor's position is that the reported ability for user-mode applications to execute code as NT AUTHORITY\SYSTEM was "deactivated by Microsoft itself."

Vulnerability class: Privilege Escalation

EPSS: 0.005 (37.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38817?
CVE-2023-38817 is a high-severity vulnerability in Echo Anti Cheat Tool, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-10-11.
How severe is CVE-2023-38817?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-38817 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.