CVE-2024-37391: ProtonVPN before 3.2.10 on Windows mishandles the drive installer path, which should use this: '"' + ExpandCon

Q: How do I fix CVE-2024-37391?

protonvpn: upgrade to 3.2.10. Exact commands for each OS are on this page.

Q: Is CVE-2024-37391 being exploited?

CVE-2024-37391 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-37391 affect?

CVE-2024-37391 affects protonvpn. Severity is high (CVSS 7.8). ProtonVPN before 3.2.10 on Windows mishandles the drive installer path, which should use this: '"' + ExpandConstant('{autopf}\Proton\Drive') + '"' in Setup/setup.iss.

Routine

HIGH 7.8UPGRADE

CVE-2024-37391 is a high-severity flaw (CVSS 7.8) affecting protonvpn. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ProtonVPN before 3.2.10 on Windows mishandles the drive installer path, which should use this: '"' + ExpandConstant('{autopf}\Proton\Drive') + '"' in Setup/setup.iss.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-78
Published	2024-07-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: proton

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

Am I affected?

Timeline

2024-07-22 07:15 UTCPublished CVE record published
2026-06-17 07:38 UTCUpdated Record last modified

proton protonvpn UPGRADE

Affected: < 3.2.10

Fixed in: 3.2.10

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.2.10 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade protonvpn

Note

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

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-2024-37391?

protonvpn: upgrade to 3.2.10. Exact commands for each OS are on this page.

Is CVE-2024-37391 being exploited?

CVE-2024-37391 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-2024-37391 affect?

CVE-2024-37391 affects protonvpn. Severity is high (CVSS 7.8). ProtonVPN before 3.2.10 on Windows mishandles the drive installer path, which should use this: '"' + ExpandConstant('{autopf}\Proton\Drive') + '"' in Setup/setup.iss.

How urgent is CVE-2024-37391?

Priority 33/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

CVE-2022-50917 HIGH 7.8 DOWNGRADE ProtonVPN 1.26.0 contains an unquoted service path vulnerability in its WireGuard service configuration that a

References

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