{"id":"CVE-2018-25241","aliases":["EUVD-2018-21736","GHSA-2x95-qpv9-c883"],"status":"published","title":"VPN Browser+ 1.1.0.0 Denial of Service","description":"VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of characters into the search bar to trigger an unhandled exception that terminates the application.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00366,"percentile":0.30685,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-04-04T13:51:08Z","modified":"2026-07-21T07:10:00Z","products":[{"vendor":"vpnbrowser","product":"vpn browser+"}],"references":[{"url":"https://www.exploit-db.com/exploits/46198","tags":["exploit"]},{"url":"https://www.microsoft.com/store/productId/9NFFFFS5Z2C7","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/vpn-browser-denial-of-service","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-25241"},{"url":"https://www.vulncheck.com/advisories/microsoft-vpn-browser-denial-of-service"},{"url":"https://github.com/advisories/GHSA-2x95-qpv9-c883"}],"sources":{"cve":[{"id":"CVE-2018-25241","title":"VPN Browser+ 1.1.0.0 Denial of Service","description":"VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of characters into the search bar to trigger an unhandled exception that terminates the application.","status":"published","published":"2026-04-04T13:51:08.55Z","modified":"2026-04-06T15:28:31.164Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:01.952568Z"}],"euvd":[{"id":"EUVD-2018-21736","description":"VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of characters into the search bar to trigger an unhandled exception that terminates the application.","status":"published","published":"2026-04-04T13:51:08Z","modified":"2026-04-06T15:28:31Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:15.794407Z"}],"ghsa":[{"id":"GHSA-2x95-qpv9-c883","title":"Microsoft VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows...","description":"Microsoft VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of characters into the search bar to trigger an unhandled exception that terminates the application.","status":"published","published":"2026-04-04T15:30:20Z","modified":"2026-04-04T21:31:30Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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:N/I:N/A:H","level":"high"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T15:07:09.038762Z"}],"nvd":[{"id":"CVE-2018-25241","description":"VPN Browser+ 1.1.0.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of characters into the search bar to trigger an unhandled exception that terminates the application.","status":"published","published":"2026-04-04T14:16:19.623Z","modified":"2026-07-21T07:10:00.117Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:05:01.494136Z"}]}}