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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (37.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ioctl.fail/echo-ac-writeup/ (Exploit, Third Party Advisory)
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?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.