Echo
CVE-2023-38817
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A local attacker with access to the system could escalate privileges to gain unauthorized elevated access. |
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Alert meAnalysisAI
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. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. 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." Affected products include: Echo Anti Cheat Tool.
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Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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."
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
Affected Products (CPE)NVD
Labstack Echo v4.8.0 was discovered to contain an open redirect vulnerability via the Static Handler component. Rated cr
Unauthenticated remote file read in Echo web framework versions 5.0.0-5.0.2 on Windows allows attackers to traverse outs
Path-based access control bypass in the LabStack Echo Go web framework (versions prior to 4.15.3 and 5.2.0) lets remote
An issue was discovered in Veal98 Echo Open-Source Community System 2.2 thru 2.3 allowing an unauthenticated attacker to
An open redirect in the Go web framework Echo lets an attacker craft a link on a trusted domain that sends victims to an
Spoofed forwarded-scheme headers let remote clients defeat Echo's HTTPS enforcement: Context.Scheme() in LabStack Echo b
CSRF protection in Labstack Echo can be skipped entirely when the MethodOverride middleware rewrites a POST to a safe me
Echo's WWWRedirect() and NonWWWRedirect() middlewares build the Location header from Context.Scheme(), which returns the
The Echo extension for MediWiki does not properly implement the hideuser functionality, which allows remote authenticate
Sensitive notification data is exposed to authenticated but unauthorized actors through the Echo extension's API layer i
GitHub PoC
Exploit-DB