How severe is CVE-2023-38817?

CVE-2023-38817 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-38817 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38817?

CVE-2023-38817 affects Echo Anti Cheat Tool. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38817?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-38817 published?

CVE-2023-38817 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-38817

CVE-2023-38817 is a high-severity vulnerability in Echo Anti Cheat Tool with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Echo Anti Cheat Tool
Published: 2023-10-11
Last modified: 2026-06-17

Description

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."

Frequently asked questions

What is 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."
How severe is CVE-2023-38817?: CVE-2023-38817 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-38817 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38817?: CVE-2023-38817 affects Echo Anti Cheat Tool. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38817?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-38817 published?: CVE-2023-38817 was published on 2023-10-11 and last updated on 2026-06-17.

References

https://ioctl.fail/echo-ac-writeup/

Affected products (1)

cpe:2.3:a:echo:anti_cheat_tool:*:*:*:*:*:*:*:*

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