CVE-2018-9839

Name: CVE-2018-9839
Creator: NVD / NIST
Published: 2019-06-06T19:29:00.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.24%

Last modified Jun 17, 2026

CVE-2018-9839 is a vulnerability of currently unknown severity. An issue was discovered in MantisBT through 1.3.14, and 2.0.0. Using a crafted request on bug_report_page.php (modifying the 'm_id' parameter), any user with REPORTER access or above is able to view any private issue's details (summary, description, steps to reproduce, additional information) when cloning it. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

Description

An issue was discovered in MantisBT through 1.3.14, and 2.0.0. Using a crafted request on bug_report_page.php (modifying the 'm_id' parameter), any user with REPORTER access or above is able to view any private issue's details (summary, description, steps to reproduce, additional information) when cloning it. By checking the 'Copy issue notes' and 'Copy attachments' checkboxes and completing the clone operation, this data also becomes public (except private notes).

Metrics

EPSS Probability

1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mantisbt	Mantisbt	<= 1.3.14
Mantisbt	Mantisbt	2.0.0

References

https://github.com/mantisbt/mantisbt/commit/1fbcd9bca2f2c77cb61624d36ddee4b3802c38eaPatch, Third Party Advisory
https://mantisbt.org/bugs/view.php?id=24221Exploit, Issue Tracking, Third Party Advisory
https://github.com/mantisbt/mantisbt/commit/1fbcd9bca2f2c77cb61624d36ddee4b3802c38eaPatch, Third Party Advisory
https://mantisbt.org/bugs/view.php?id=24221Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jun 6, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-9839?

How severe is CVE-2018-9839?

Severity scoring for CVE-2018-9839 is pending analysis. The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.

How do I fix CVE-2018-9839?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-9839?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST