External risk intelligence

mJobtime Client-Side Authorization Bypass Allows Administrative Feature Access

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2025-51682

mJobtime is a time management application typically deployed as a web-based service for employees to access remotely, making its interface and associated administrative functions commonly reachable over the network in standard deployment patterns.

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 software, specifically version 15.7.2. The flaw stems from how the software handles authorization on the client side, potentially allowing unauthorized access to administrative functions and enabling attackers to directly call these functions. This type of vulnerability could present a significant risk if the affected system is exposed externally.

Weak client-side checks allow unauthorized access.
Critical flaw could expose administrative functions.
Confirm relevance and assess potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker can gain unauthorized access to administrative functions within mJobtime by manipulating the application's client-side code. This manipulation allows them to directly invoke administrative features by crafting specific requests, bypassing normal security checks and potentially leading to significant data compromise or system disruption.

Requires no initial privileges.
Modifying client-side code triggers vulnerability.
Full administrative access and control.

Live Threat

Current exploitation, exposure, and threat context

Client-side authorization flaws in mJobtime could permit an unauthenticated attacker to access administrative features by altering client-side code or directly calling administrative functions through crafted requests. This could lead to unauthorized access and modification of system data.

Administrative features and system data.
Modifying client-side code or crafting requests.
Unauthorized access and data modification.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in mJobtime likely impacts teams responsible for application delivery and security operations. The first practical step is to confirm where mJobtime is deployed, assess its reachability and business criticality, identify the accountable owner for this application, and then plan remediation based on the identified risk.

Application owners should manage the issue.
Verify application reachability and business impact.
Coordinate remediation based on risk.

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 application used to track employee work hours. It is typically deployed as a web-based service, allowing employees to access their time-tracking data remotely over a network.

What does CVE-2025-51682 mean by client-side authorization?

This vulnerability, classified as CWE-602, occurs when the software trusts the user's browser or local interface to enforce security rules. Because the authorization logic resides on the client side, an attacker can modify that code to bypass checks that would otherwise prevent them from using administrative features.

How do attackers trigger this vulnerability?

An attacker triggers this by manipulating the client-side code in their browser or by sending specially crafted requests that mimic administrative commands. This does not require any pre-existing user account or privileges. Note that merely visiting the site does not trigger the flaw; the attacker must intentionally alter the code or craft these specific requests.

Is my organization at risk from CVE-2025-51682?

Halo Surface Signal indicates that because mJobtime is frequently deployed as a web-based service for remote access, its interface is often reachable over the network. If your instance is internet-facing, it is at higher risk of unauthorized access. Organizations running mJobtime 15.7.2 should assume the risk is relevant until they confirm their specific network reachability and deployment patterns.

What steps should I take if I run mJobtime?

First, identify the team or individual responsible for the mJobtime application. Next, determine if your specific installation is accessible over the network. Evaluate the business criticality of the data it handles. Once you understand your deployment's reach and impact, coordinate with your technical team to prioritize remediation.

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.