External risk intelligence

mJobtime Blind SQL Injection Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2025-51683

The vulnerability exists in a web application endpoint (/Default.aspx/update_profile_Server) accessible via POST requests. Web applications and their associated API endpoints are commonly deployed as internet-facing services, making this surface plausibly reachable in typical deployments.

SQL Injection

Mjobtime

15.7.2

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

This advisory concerns a critical vulnerability in mJobtime, a time management software. The issue, a blind SQL injection, allows attackers to execute unauthorized commands on the affected system without needing any credentials, posing a significant risk to data integrity and system security. The primary concern is confirming whether this specific software version is in use and, if so, understanding its exposure.

SQL injection flaw in time software.
Critical risk to data and systems.
Confirm usage and assess exposure.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker can send a specially crafted POST request to the `/Default.aspx/update_profile_Server` endpoint to trigger a blind SQL injection vulnerability. This vulnerability in mJobtime allows attackers to execute arbitrary SQL statements, potentially leading to data compromise or manipulation.

Accessible over the network by anyone.
Triggered via a POST request to an update endpoint.
Allows arbitrary SQL execution.

Live Threat

Current exploitation, exposure, and threat context

This blind SQL injection vulnerability could allow an unauthenticated attacker to execute arbitrary SQL statements on the affected system. This could potentially impact the integrity and availability of the application's data and services when the vulnerable endpoint is exposed to the network.

System data integrity and availability.
Via crafted POST requests to an endpoint.
Unauthorized data access or manipulation.

Operational Fix

Recommended remediation, mitigation, and detection steps

A blind SQL injection vulnerability in mJobtime impacts unauthenticated users through a POST request to the update\_profile\_Server endpoint. The primary action is to identify instances of this software, confirm business criticality and external reachability, and then engage the accountable owner to plan remediation.

Application owners should prioritize remediation.
Verify external accessibility and business impact.
Coordinate vendor engagement for a fix.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Free EASM Trial See How Signal Works

Frequently asked questions

What is mJobtime and how is it used?

mJobtime is a time management software application designed to help organizations track employee hours, manage schedules, and handle workforce data. It typically functions as a web-based service, allowing users to interact with administrative features through a browser interface to maintain accurate attendance records and project logs.

What does CVE-2025-51683 mean?

This CVE identifies a Blind SQL Injection vulnerability, classified under CWE-89. In simple terms, it means the application fails to properly filter input, allowing an attacker to 'speak' directly to the underlying database by injecting malicious commands. Because it is 'blind,' the attacker may not see immediate error messages, but they can still extract data or manipulate the database bit by bit.

How can an attacker trigger this vulnerability?

An attacker can trigger this flaw by sending a specifically crafted POST request to the application's '/Default.aspx/update_profile_Server' endpoint. The bug does not require any login credentials to execute, meaning an attacker can initiate this without being a registered user. Simply browsing the site or performing standard administrative tasks does not trigger the vulnerability; it requires a deliberate, malicious request sent to that specific endpoint.

Is my system at risk if I run this software?

According to Halo Surface Signal, this vulnerability is likely reachable if your application is internet-facing, as the affected endpoint is accessible via network-based POST requests. If your instance of mJobtime is exposed to the public internet, the risk is higher compared to an instance restricted to an internal-only network, as external attackers can more easily reach the vulnerable endpoint.

How do I respond to this threat?

Your first step is to identify if your organization is running mJobtime version 15.7.2. Once confirmed, evaluate whether the application is accessible from the network. Coordinate with the relevant system owners to assess the business impact and prepare for necessary updates. Prioritize verifying the software's network exposure and engage your vendor for an official fix.

References

labs.infoguard.ch/advisories/cve-2025-51682_cve-2025-51683_time_managem…

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.