CVE-2024-29296

MEDIUM

Portainer CE <2.19.4 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2024-29296. PoCs published by ThaySolis, Lavender-exe.

AI-analyzed exploit summary This repository documents a user enumeration vulnerability (CVE-2024-29296) in Portainer CE 2.19.4, where timing discrepancies during authentication allow remote attackers to determine valid usernames. The PoC describes a password spray attack method to exploit the observable timing discrepancy.

Description

A user enumeration vulnerability was found in Portainer CE 2.19.4. This issue occurs during user authentication process, where a difference in response time could allow a remote unauthenticated user to determine if a username is valid or not.

Exploits (2)

nomisec WRITEUP 4 stars
by ThaySolis · poc
https://github.com/ThaySolis/CVE-2024-29296

This repository documents a user enumeration vulnerability (CVE-2024-29296) in Portainer CE 2.19.4, where timing discrepancies during authentication allow remote attackers to determine valid usernames. The PoC describes a password spray attack method to exploit the observable timing discrepancy.

Classification
Writeup 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Portainer CE 2.19.4
No auth needed
Prerequisites: Network access to the Portainer login endpoint
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 1 stars
by Lavender-exe · poc
https://github.com/Lavender-exe/CVE-2024-29296-PoC

This PoC exploits a timing discrepancy vulnerability (CVE-2024-29296) in Portainer CE 2.19.4 to enumerate valid usernames by measuring response times for login requests.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Portainer CE 2.19.4
No auth needed
Prerequisites: List of potential usernames · Network access to the target Portainer instance
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory
https://github.com/ThaySolis/CVE-2024-29296

Scores

CVSS v3 5.3
EPSS 0.0130
EPSS Percentile 66.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-286
Status published
Products (1)
portainer/portainer 2.19.4
Published Apr 10, 2024
Tracked Since Feb 18, 2026