CVE-2023-3897

MEDIUM

SureMDM On-premise <6.31 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2023-3897. PoCs published by Jonas Benjamin Friedli, jFriedli.

AI-analyzed exploit summary This exploit bypasses CAPTCHA to enumerate valid users in SureMDM On-premise versions <= 6.31 by sending POST requests to the ForgotPassword endpoint and checking for a specific error message.

Description

Username enumeration is possible through Bypassing CAPTCHA in On-premise SureMDM Solution on Windows deployment allows attacker to enumerate local user information via error message. This issue affects SureMDM On-premise: 6.31 and below version

Exploits (2)

exploitdb WORKING POC
by Jonas Benjamin Friedli · textwebappsmultiple
https://www.exploit-db.com/exploits/51804

This exploit bypasses CAPTCHA to enumerate valid users in SureMDM On-premise versions <= 6.31 by sending POST requests to the ForgotPassword endpoint and checking for a specific error message.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: SureMDM On-premise <= 6.31
No auth needed
Prerequisites: Network access to the target SureMDM instance · A list of potential usernames/emails to test
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by jFriedli · poc
https://github.com/jFriedli/CVE-2023-3897

The repository contains a functional Python script that exploits CVE-2023-3897, a CAPTCHA bypass vulnerability in SureMDM On-premise versions <= 6.31, allowing user enumeration via error messages. The exploit sends POST requests to a specific endpoint and checks for a response indicating whether a user exists.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: SureMDM On-premise <= 6.31
No auth needed
Prerequisites: Target URL · List of usernames to test
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Scores

CVSS v3 4.8
EPSS 0.0129
EPSS Percentile 80.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

Details

CWE
CWE-203
Status published
Products (1)
42gears/suremdm < 6.31
Published Jul 25, 2023
Tracked Since Feb 18, 2026