CVE-2024-25728: ExpressVPN before 12.73.0 on Windows, when split tunneling is used, sends DNS requests according to the Window

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HIGH 7.5REMOTEUPGRADE

CVE-2024-25728 is a high-severity flaw (CVSS 7.5) affecting expressvpn. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-922
Published	2024-02-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: expressvpn

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-02-11 22:15 UTCPublished CVE record published
2026-06-17 07:16 UTCUpdated Record last modified

expressvpn expressvpn UPGRADE

Affected: >= 12.23.1 and < 12.73.0

Fixed in: 12.73.0

Safe to downgrade to: a release before 12.23.1

1. Check installed version

apt-cache policy expressvpn || rpm -q expressvpn || expressvpn --version

2. UPGRADE to 12.73.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade expressvpn

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade expressvpn

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 12.23.1 (Debian / Ubuntu)

apt-cache madison expressvpn sudo apt install expressvpn=<VERSION_BEFORE_12.23.1> sudo apt-mark hold expressvpn

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list expressvpn sudo dnf downgrade expressvpn-<VERSION_BEFORE_12.23.1> sudo dnf versionlock add expressvpn

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-25728?

expressvpn: upgrade to 12.73.0. Exact commands for each OS are on this page.

Is CVE-2024-25728 being exploited?

CVE-2024-25728 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-25728 affect?

CVE-2024-25728 affects expressvpn. Severity is high (CVSS 7.5). 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 a

How urgent is CVE-2024-25728?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Software pages

Windows vulnerabilities

References

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