CVE-2024-25728
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.67% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-922
- Affected
- expressvpn/expressvpn
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.