Vulnerability in Nordvpn
CVE-2018-25368
Nord VPN 6.14.31 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting an excessively long string in the password field. Attackers can paste a buffer of repeated characters into the password input field to trigger an application crash when attempting to authenticate.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Nordvpn — versions 0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45304 (exploit)
- nordvpn.com/download/ (product)
- www.vulncheck.com/advisories/nord-vpn-denial-of-service-via-password-field (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25368?
- CVE-2018-25368 is a high-severity vulnerability in Nordvpn, classified under CWE-789. CVSS score: 7.5/10. Published 2026-05-25.
- How severe is CVE-2018-25368?
- High severity. CVSS v3 base score is 7.5 out of 10.