CVE-2024-25728

Name: CVE-2024-25728
Creator: NVD / NIST
Published: 2024-02-11T22:15:08.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2024-25728 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. ExpressVPN before 12.73.0 on Windows, when split tunneling is used, sends DNS requests according to the Windows configuration (e.g., sends them to DNS servers operated by the user's ISP instead of to the ExpressVPN DNS servers), which may allow remote attackers to obtain sensitive information about websites visited by VPN users.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

Description

ExpressVPN before 12.73.0 on Windows, when split tunneling is used, sends DNS requests according to the Windows configuration (e.g., sends them to DNS servers operated by the user's ISP instead of to the ExpressVPN DNS servers), which may allow remote attackers to obtain sensitive information about websites visited by VPN users.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.67%

47.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-922

Affected Software

Vendor	Product	Versions
Expressvpn	Expressvpn	>= 12.23.1, < 12.73.0

References

https://www.bleepingcomputer.com/news/security/expressvpn-bug-has-been-leaking-some-dns-requests-for-years/Third Party Advisory
https://www.expressvpn.com/blog/windows-app-dns-requests/Vendor Advisory
https://www.bleepingcomputer.com/news/security/expressvpn-bug-has-been-leaking-some-dns-requests-for-years/Third Party Advisory
https://www.expressvpn.com/blog/windows-app-dns-requests/Vendor Advisory

Timeline

Published: Feb 11, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-25728?

How severe is CVE-2024-25728?

CVE-2024-25728 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2024-25728?

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-2024-25728?

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

Scan your code now

Source: NVD / NIST