{"id":"CVE-2018-25368","aliases":["EUVD-2018-21891","GHSA-x9hx-hwff-3m7w"],"status":"published","title":"Nord VPN 6.14.31 Denial of Service via Password Field","description":"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.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00386,"percentile":0.3291,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-789"],"published":"2026-05-25T14:15:13Z","modified":"2026-10-06T22:10:00Z","products":[{"vendor":"nordvpn","product":"nordvpn"}],"references":[{"url":"https://www.exploit-db.com/exploits/45304","tags":["exploit"]},{"url":"https://nordvpn.com/download/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/nord-vpn-denial-of-service-via-password-field","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-25368"},{"url":"https://nordvpn.com/download"},{"url":"https://github.com/advisories/GHSA-x9hx-hwff-3m7w"}],"sources":{"cve":[{"id":"CVE-2018-25368","title":"Nord VPN 6.14.31 Denial of Service via Password Field","description":"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.","status":"published","published":"2026-05-25T14:15:13.971Z","modified":"2026-05-26T15:22:10.344Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-789"],"updated_at":"2026-11-02T14:35:01.952568Z"}],"euvd":[{"id":"EUVD-2018-21891","description":"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.","status":"published","published":"2026-05-25T14:15:13Z","modified":"2026-05-26T15:22:10Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:21:06.903439Z"}],"ghsa":[{"id":"GHSA-x9hx-hwff-3m7w","title":"Nord VPN 6.14.31 contains a denial of service vulnerability that allows unauthenticated attackers...","description":"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.","status":"published","published":"2026-05-26T13:30:44Z","modified":"2026-05-26T13:30:51Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-789"],"updated_at":"2026-11-02T15:08:17.507995Z"}],"nvd":[{"id":"CVE-2018-25368","description":"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.","status":"published","published":"2026-05-25T15:16:19.59Z","modified":"2026-10-06T22:10:00.247Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-789"],"updated_at":"2026-11-02T14:05:01.494136Z"}]}}