CVE-2019-25572

MEDIUM 6.2

NordVPN 6.19.6 Denial of Service via Email Field Buffer Overflow

CVSS Score

6.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-1260
Vendor	nordvpn
Product	nordvpn
Published	Mar 21, 2026
Last Updated	Mar 23, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Nordvpn / NordVPN

6.19.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/46343 nordvpn.com: https://nordvpn.com/ downloads.nordcdn.com: https://downloads.nordcdn.com/apps/windows/10/NordVPN/latest/NordVPNSetup.exe vulncheck.com: https://www.vulncheck.com/advisories/nordvpn-denial-of-service-via-email-field-buffer-overflow

Credits

Alejandra Sánchez