CVE-2019-25572

medium

Description

NordVPN 6.19.6 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string in the email input field. Attackers can paste a buffer of 100,000 characters into the email field during login to trigger an application crash.

References

https://www.vulncheck.com/advisories/nordvpn-denial-of-service-via-email-field-buffer-overflow

https://www.exploit-db.com/exploits/46343

https://nordvpn.com/

https://downloads.nordcdn.com/apps/windows/10/NordVPN/latest/NordVPNSetup.exe

Details

Source: Mitre, NVD

Published: 2026-03-21

Updated: 2026-03-21

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.2

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

Severity: Medium

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Severity: Medium