CVE-2025-5139: A vulnerability was found in Qualitor 8.20/8.24. It has been rated as critical. Affected by this issue is some unknown functionality of the file /html...

Description

A vulnerability was found in Qualitor 8.20/8.24. It has been rated as critical. Affected by this issue is some unknown functionality of the file /html/ad/adconexaooffice365/request/testaConexaoOffice365.php of the component Office 365-type Connection Handler. The manipulation of the argument nmconexao leads to command injection. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 8.20.56 and 8.24.31 is able to address this issue. It is recommended to upgrade the affected component.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

2.9/10

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

2.95%

85.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Qualitor	Qualitor	8.20
Qualitor	Qualitor	8.24

References

https://gist.githubusercontent.com/MatheuZSecurity/fe221fd5b2e5393abf76be42f11f52c3/raw/e8d9c63885f0b83b3374db3d31dbe2c69c868334/poc.shBroken Link
https://vuldb.com/?ctiid.310220Permissions Required, VDB Entry
https://vuldb.com/?id.310220Third Party Advisory, VDB Entry
https://vuldb.com/?submit.572477Third Party Advisory, VDB Entry
https://www.youtube.com/watch?v=Dq4C5s9UwyoExploit

Timeline

Published: May 25, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-5139?

A vulnerability was found in Qualitor 8.20/8.24. It has been rated as critical. Affected by this issue is some unknown functionality of the file /html/ad/adconexaooffice365/request/testaConexaoOffice365.php of the component Office 365-type Connection Handler. The manipulation of the argument nmconexao leads to command injection. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 8.20.56 and 8.24.31 is able to address this issue. It is recommended to upgrade the affected component.

How severe is CVE-2025-5139?

CVE-2025-5139 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.95% probability of exploitation in the next 30 days.

How do I fix CVE-2025-5139?

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.

How Strix Helps

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