Skip to main content

Mlflow CVE-2023-6018

CRITICAL
OS Command Injection (CWE-78)
2023-11-16 security@huntr.dev
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.
Patch available 47.9% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

An attacker can overwrite any file on the server hosting MLflow without any authentication. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, 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. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Affected Packages

pypi mlflow fix: 2.9.2

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in pypi

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. An attacker can overwrite any file on the server hosting MLflow without any authentication. Affected products include: Lfprojects Mlflow.

Know when Mlflow gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

An attacker can overwrite any file on the server hosting MLflow without any authentication.

Threat Intelligence Overview

EPSS Score
47.9%
Top 1% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low

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.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC Yes
EPSS 47.9%
Patch available Yes
Active threat Yes
Deciding rule
CRITICAL severity + public POC available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

117
Low Medium High Critical
KEV: 0
EPSS: +48
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:a:lfprojects:mlflow:-:*:*:*:*:*:*:*

More in Mlflow

View all
CVE-2026-64849 CRITICAL POC
9.3 Aug 17

Server-side request forgery in MLflow before 3.15.0 lets remote unauthenticated attackers coerce the server into making

CVE-2024-8859 HIGH POC
7.5 Mar 20

A path traversal vulnerability exists in mlflow/mlflow version 2.15.1. Rated high severity (CVSS 7.5), this vulnerabilit

CVE-2023-3765 CRITICAL POC
10.0 Jul 19

Absolute Path Traversal in GitHub repository mlflow/mlflow prior to 2.5.0. Rated critical severity (CVSS 10.0), this vul

CVE-2026-0545 CRITICAL POC
9.8 Apr 03

MLflow's FastAPI job endpoints bypass basic-auth entirely, allowing network attackers to submit and execute jobs without

CVE-2023-6975 CRITICAL POC
9.8 Dec 20

A malicious user could use this issue to get command execution on the vulnerable machine and get access to data & models

CVE-2023-6974 CRITICAL POC
9.8 Dec 20

A malicious user could use this issue to access internal HTTP(s) servers and in the worst case (ie: aws instance) it cou

CVE-2023-6014 CRITICAL POC
9.8 Nov 16

An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirment. Rated critical s

CVE-2023-2780 CRITICAL POC
9.8 May 17

Path Traversal: '\..\filename' in GitHub repository mlflow/mlflow prior to 2.3.1. Rated critical severity (CVSS 9.8), th

CVE-2023-1177 CRITICAL POC
9.8 Mar 24

Path Traversal: '\..\filename' in GitHub repository mlflow/mlflow prior to 2.2.1. Rated critical severity (CVSS 9.8), th

CVE-2024-27133 CRITICAL POC
9.6 Feb 23

Insufficient sanitization in MLflow leads to XSS when running a recipe that uses an untrusted dataset. Rated critical se

CVE-2024-27132 CRITICAL POC
9.6 Feb 23

Insufficient sanitization in MLflow leads to XSS when running an untrusted recipe. Rated critical severity (CVSS 9.6), t

CVE-2024-3573 CRITICAL POC
9.3 Apr 16

mlflow/mlflow is vulnerable to Local File Inclusion (LFI) due to improper parsing of URIs, allowing attackers to bypass

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy